1720806525

素因数分解:

$3^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{36947}}^1$

素因数の和:36992

約数の個数: 60

約数和(自身を含む): 3326206752

約数和(自身を除く): 1605400227

約数列:

[1, 3, 5, 9, 15, 23, 25, 27, 45, 69, 75, 81, 115, 135, 207, 225, 345, 405, 575, 621, 675, 1035, 1725, 1863, 2025, 3105, 5175, 9315, 15525, 36947, 46575, 110841, 184735, 332523, 554205, 849781, 923675, 997569, 1662615, 2549343, 2771025, 2992707, 4248905, 4987845, 7648029, 8313075, 12746715, 14963535, 21244525, 22944087, 24939225, 38240145, 63733575, 68832261, 74817675, 114720435, 191200725, 344161305, 573602175, 1720806525]

約数ペア:

[(1, 1720806525), (3, 573602175), (5, 344161305), (9, 191200725), (15, 114720435), (23, 74817675), (25, 68832261), (27, 63733575), (45, 38240145), (69, 24939225), (75, 22944087), (81, 21244525), (115, 14963535), (135, 12746715), (207, 8313075), (225, 7648029), (345, 4987845), (405, 4248905), (575, 2992707), (621, 2771025), (675, 2549343), (1035, 1662615), (1725, 997569), (1863, 923675), (2025, 849781), (3105, 554205), (5175, 332523), (9315, 184735), (15525, 110841), (36947, 46575)]