13115475

素因数分解:

$3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{821}}^1$

素因数の和:908

約数の個数: 36

約数和(自身を含む): 23851152

約数和(自身を除く): 10735677

約数列:

[1, 3, 5, 9, 15, 25, 45, 71, 75, 213, 225, 355, 639, 821, 1065, 1775, 2463, 3195, 4105, 5325, 7389, 12315, 15975, 20525, 36945, 58291, 61575, 174873, 184725, 291455, 524619, 874365, 1457275, 2623095, 4371825, 13115475]

約数ペア:

[(1, 13115475), (3, 4371825), (5, 2623095), (9, 1457275), (15, 874365), (25, 524619), (45, 291455), (71, 184725), (75, 174873), (213, 61575), (225, 58291), (355, 36945), (639, 20525), (821, 15975), (1065, 12315), (1775, 7389), (2463, 5325), (3195, 4105)]