13895973

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1$

素因数の和:111

約数の個数: 72

約数和(自身を含む): 26627328

約数和(自身を除く): 12731355

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 47, 57, 63, 91, 117, 133, 141, 171, 247, 273, 329, 361, 399, 423, 611, 741, 819, 893, 987, 1083, 1197, 1729, 1833, 2223, 2527, 2679, 2961, 3249, 4277, 4693, 5187, 5499, 6251, 7581, 8037, 11609, 12831, 14079, 15561, 16967, 18753, 22743, 32851, 34827, 38493, 42237, 50901, 56259, 81263, 98553, 104481, 118769, 152703, 220571, 243789, 295659, 356307, 661713, 731367, 1068921, 1543997, 1985139, 4631991, 13895973]

約数ペア:

[(1, 13895973), (3, 4631991), (7, 1985139), (9, 1543997), (13, 1068921), (19, 731367), (21, 661713), (39, 356307), (47, 295659), (57, 243789), (63, 220571), (91, 152703), (117, 118769), (133, 104481), (141, 98553), (171, 81263), (247, 56259), (273, 50901), (329, 42237), (361, 38493), (399, 34827), (423, 32851), (611, 22743), (741, 18753), (819, 16967), (893, 15561), (987, 14079), (1083, 12831), (1197, 11609), (1729, 8037), (1833, 7581), (2223, 6251), (2527, 5499), (2679, 5187), (2961, 4693), (3249, 4277)]