31981550139

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{881}}^1\times {\mathrm{919}}^1$

素因数の和:1846

約数の個数: 128

約数和(自身を含む): 62318592000

約数和(自身を除く): 30337041861

約数列:

[1, 3, 7, 9, 11, 19, 21, 27, 33, 57, 63, 77, 99, 133, 171, 189, 209, 231, 297, 399, 513, 627, 693, 881, 919, 1197, 1463, 1881, 2079, 2643, 2757, 3591, 4389, 5643, 6167, 6433, 7929, 8271, 9691, 10109, 13167, 16739, 17461, 18501, 19299, 23787, 24813, 29073, 30327, 39501, 50217, 52383, 55503, 57897, 67837, 70763, 87219, 90981, 117173, 122227, 150651, 157149, 166509, 173691, 184129, 192071, 203511, 212289, 261657, 272943, 351519, 366681, 451953, 471447, 552387, 576213, 610533, 636867, 809639, 1054557, 1100043, 1288903, 1344497, 1657161, 1728639, 1831599, 1910601, 2428917, 3163671, 3300129, 3866709, 4033491, 4971483, 5185917, 5667473, 7286751, 8906029, 11600127, 12100473, 15383141, 17002419, 21860253, 26718087, 34800381, 36301419, 46149423, 51007257, 62342203, 80154261, 107681987, 138448269, 153021771, 169214551, 187026609, 240462783, 323045961, 415344807, 507643653, 561079827, 969137883, 1184501857, 1522930959, 1683239481, 2907413649, 3553505571, 4568792877, 10660516713, 31981550139]

約数ペア:

[(1, 31981550139), (3, 10660516713), (7, 4568792877), (9, 3553505571), (11, 2907413649), (19, 1683239481), (21, 1522930959), (27, 1184501857), (33, 969137883), (57, 561079827), (63, 507643653), (77, 415344807), (99, 323045961), (133, 240462783), (171, 187026609), (189, 169214551), (209, 153021771), (231, 138448269), (297, 107681987), (399, 80154261), (513, 62342203), (627, 51007257), (693, 46149423), (881, 36301419), (919, 34800381), (1197, 26718087), (1463, 21860253), (1881, 17002419), (2079, 15383141), (2643, 12100473), (2757, 11600127), (3591, 8906029), (4389, 7286751), (5643, 5667473), (6167, 5185917), (6433, 4971483), (7929, 4033491), (8271, 3866709), (9691, 3300129), (10109, 3163671), (13167, 2428917), (16739, 1910601), (17461, 1831599), (18501, 1728639), (19299, 1657161), (23787, 1344497), (24813, 1288903), (29073, 1100043), (30327, 1054557), (39501, 809639), (50217, 636867), (52383, 610533), (55503, 576213), (57897, 552387), (67837, 471447), (70763, 451953), (87219, 366681), (90981, 351519), (117173, 272943), (122227, 261657), (150651, 212289), (157149, 203511), (166509, 192071), (173691, 184129)]