77293521

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:395

約数の個数: 40

約数和(自身を含む): 119877120

約数和(自身を除く): 42583599

約数列:

[1, 3, 9, 27, 47, 79, 81, 141, 237, 257, 423, 711, 771, 1269, 2133, 2313, 3713, 3807, 6399, 6939, 11139, 12079, 20303, 20817, 33417, 36237, 60909, 100251, 108711, 182727, 300753, 326133, 548181, 954241, 978399, 1644543, 2862723, 8588169, 25764507, 77293521]

約数ペア:

[(1, 77293521), (3, 25764507), (9, 8588169), (27, 2862723), (47, 1644543), (79, 978399), (81, 954241), (141, 548181), (237, 326133), (257, 300753), (423, 182727), (711, 108711), (771, 100251), (1269, 60909), (2133, 36237), (2313, 33417), (3713, 20817), (3807, 20303), (6399, 12079), (6939, 11139)]