87128397

素因数分解:

$3^2\times {\mathrm{139}}^1\times {\mathrm{257}}^1\times {\mathrm{271}}^1$

素因数の和:673

約数の個数: 24

約数和(自身を含む): 127720320

約数和(自身を除く): 40591923

約数列:

[1, 3, 9, 139, 257, 271, 417, 771, 813, 1251, 2313, 2439, 35723, 37669, 69647, 107169, 113007, 208941, 321507, 339021, 626823, 9680933, 29042799, 87128397]

約数ペア:

[(1, 87128397), (3, 29042799), (9, 9680933), (139, 626823), (257, 339021), (271, 321507), (417, 208941), (771, 113007), (813, 107169), (1251, 69647), (2313, 37669), (2439, 35723)]