78846777

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:347

約数の個数: 40

約数和(自身を含む): 121968000

約数和(自身を除く): 43121223

約数列:

[1, 3, 9, 27, 47, 81, 139, 141, 149, 417, 423, 447, 1251, 1269, 1341, 3753, 3807, 4023, 6533, 7003, 11259, 12069, 19599, 20711, 21009, 58797, 62133, 63027, 176391, 186399, 189081, 529173, 559197, 567243, 973417, 1677591, 2920251, 8760753, 26282259, 78846777]

約数ペア:

[(1, 78846777), (3, 26282259), (9, 8760753), (27, 2920251), (47, 1677591), (81, 973417), (139, 567243), (141, 559197), (149, 529173), (417, 189081), (423, 186399), (447, 176391), (1251, 63027), (1269, 62133), (1341, 58797), (3753, 21009), (3807, 20711), (4023, 19599), (6533, 12069), (7003, 11259)]