420040365

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1\times {\mathrm{1181}}^1$

素因数の和:1501

約数の個数: 32

約数和(自身を含む): 681512832

約数和(自身を除く): 261472467

約数列:

[1, 3, 5, 15, 131, 181, 393, 543, 655, 905, 1181, 1965, 2715, 3543, 5905, 17715, 23711, 71133, 118555, 154711, 213761, 355665, 464133, 641283, 773555, 1068805, 2320665, 3206415, 28002691, 84008073, 140013455, 420040365]

約数ペア:

[(1, 420040365), (3, 140013455), (5, 84008073), (15, 28002691), (131, 3206415), (181, 2320665), (393, 1068805), (543, 773555), (655, 641283), (905, 464133), (1181, 355665), (1965, 213761), (2715, 154711), (3543, 118555), (5905, 71133), (17715, 23711)]