81518775

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{83609}}^1$

素因数の和:83635

約数の個数: 24

約数和(自身を含む): 145146960

約数和(自身を除く): 63628185

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 83609, 250827, 418045, 1086917, 1254135, 2090225, 3260751, 5434585, 6270675, 16303755, 27172925, 81518775]

約数ペア:

[(1, 81518775), (3, 27172925), (5, 16303755), (13, 6270675), (15, 5434585), (25, 3260751), (39, 2090225), (65, 1254135), (75, 1086917), (195, 418045), (325, 250827), (975, 83609)]