78023007

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:317

約数の個数: 40

約数和(自身を含む): 120225600

約数和(自身を除く): 42202593

約数列:

[1, 3, 9, 27, 79, 81, 89, 137, 237, 267, 411, 711, 801, 1233, 2133, 2403, 3699, 6399, 7031, 7209, 10823, 11097, 12193, 21093, 32469, 36579, 63279, 97407, 109737, 189837, 292221, 329211, 569511, 876663, 963247, 987633, 2889741, 8669223, 26007669, 78023007]

約数ペア:

[(1, 78023007), (3, 26007669), (9, 8669223), (27, 2889741), (79, 987633), (81, 963247), (89, 876663), (137, 569511), (237, 329211), (267, 292221), (411, 189837), (711, 109737), (801, 97407), (1233, 63279), (2133, 36579), (2403, 32469), (3699, 21093), (6399, 12193), (7031, 11097), (7209, 10823)]