260929917

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{617}}^1$

素因数の和:879

約数の個数: 40

約数和(自身を含む): 409185216

約数和(自身を除く): 148255299

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 227, 617, 621, 681, 1851, 1863, 2043, 5221, 5553, 6129, 14191, 15663, 16659, 18387, 42573, 46989, 49977, 127719, 140059, 140967, 383157, 420177, 422901, 1149471, 1260531, 3221357, 3781593, 9664071, 11344779, 28992213, 86976639, 260929917]

約数ペア:

[(1, 260929917), (3, 86976639), (9, 28992213), (23, 11344779), (27, 9664071), (69, 3781593), (81, 3221357), (207, 1260531), (227, 1149471), (617, 422901), (621, 420177), (681, 383157), (1851, 140967), (1863, 140059), (2043, 127719), (5221, 49977), (5553, 46989), (6129, 42573), (14191, 18387), (15663, 16659)]