17909125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:238

約数の個数: 32

約数和(自身を含む): 24530688

約数和(自身を除く): 6621563

約数列:

[1, 5, 13, 25, 65, 103, 107, 125, 325, 515, 535, 1339, 1391, 1625, 2575, 2675, 6695, 6955, 11021, 12875, 13375, 33475, 34775, 55105, 143273, 167375, 173875, 275525, 716365, 1377625, 3581825, 17909125]

約数ペア:

[(1, 17909125), (5, 3581825), (13, 1377625), (25, 716365), (65, 275525), (103, 173875), (107, 167375), (125, 143273), (325, 55105), (515, 34775), (535, 33475), (1339, 13375), (1391, 12875), (1625, 11021), (2575, 6955), (2675, 6695)]