51190191

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:205

約数の個数: 64

約数和(自身を含む): 87091200

約数和(自身を除く): 35901009

約数列:

[1, 3, 9, 13, 27, 29, 39, 47, 87, 107, 117, 141, 261, 321, 351, 377, 423, 611, 783, 963, 1131, 1269, 1363, 1391, 1833, 2889, 3103, 3393, 4089, 4173, 5029, 5499, 9309, 10179, 12267, 12519, 15087, 16497, 17719, 27927, 36801, 37557, 40339, 45261, 53157, 65377, 83781, 121017, 135783, 145841, 159471, 196131, 363051, 437523, 478413, 588393, 1089153, 1312569, 1765179, 1895933, 3937707, 5687799, 17063397, 51190191]

約数ペア:

[(1, 51190191), (3, 17063397), (9, 5687799), (13, 3937707), (27, 1895933), (29, 1765179), (39, 1312569), (47, 1089153), (87, 588393), (107, 478413), (117, 437523), (141, 363051), (261, 196131), (321, 159471), (351, 145841), (377, 135783), (423, 121017), (611, 83781), (783, 65377), (963, 53157), (1131, 45261), (1269, 40339), (1363, 37557), (1391, 36801), (1833, 27927), (2889, 17719), (3103, 16497), (3393, 15087), (4089, 12519), (4173, 12267), (5029, 10179), (5499, 9309)]