13851981

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 24111360

約数和(自身を除く): 10259379

約数列:

[1, 3, 9, 11, 13, 33, 39, 47, 99, 117, 141, 143, 229, 423, 429, 517, 611, 687, 1287, 1551, 1833, 2061, 2519, 2977, 4653, 5499, 6721, 7557, 8931, 10763, 20163, 22671, 26793, 32289, 32747, 60489, 96867, 98241, 118393, 139919, 294723, 355179, 419757, 1065537, 1259271, 1539109, 4617327, 13851981]

約数ペア:

[(1, 13851981), (3, 4617327), (9, 1539109), (11, 1259271), (13, 1065537), (33, 419757), (39, 355179), (47, 294723), (99, 139919), (117, 118393), (141, 98241), (143, 96867), (229, 60489), (423, 32747), (429, 32289), (517, 26793), (611, 22671), (687, 20163), (1287, 10763), (1551, 8931), (1833, 7557), (2061, 6721), (2519, 5499), (2977, 4653)]