3999125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:158

約数の個数: 32

約数和(自身を含む): 5660928

約数和(自身を除く): 1661803

約数列:

[1, 5, 13, 23, 25, 65, 107, 115, 125, 299, 325, 535, 575, 1391, 1495, 1625, 2461, 2675, 2875, 6955, 7475, 12305, 13375, 31993, 34775, 37375, 61525, 159965, 173875, 307625, 799825, 3999125]

約数ペア:

[(1, 3999125), (5, 799825), (13, 307625), (23, 173875), (25, 159965), (65, 61525), (107, 37375), (115, 34775), (125, 31993), (299, 13375), (325, 12305), (535, 7475), (575, 6955), (1391, 2875), (1495, 2675), (1625, 2461)]