81406775

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{4567}}^1$

素因数の和:4631

約数の個数: 24

約数和(自身を含む): 108754944

約数和(自身を除く): 27348169

約数列:

[1, 5, 23, 25, 31, 115, 155, 575, 713, 775, 3565, 4567, 17825, 22835, 105041, 114175, 141577, 525205, 707885, 2626025, 3256271, 3539425, 16281355, 81406775]

約数ペア:

[(1, 81406775), (5, 16281355), (23, 3539425), (25, 3256271), (31, 2626025), (115, 707885), (155, 525205), (575, 141577), (713, 114175), (775, 105041), (3565, 22835), (4567, 17825)]