9903725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{983}}^1$

素因数の和:1037

約数の個数: 24

約数和(自身を含む): 13665792

約数和(自身を除く): 3762067

約数列:

[1, 5, 13, 25, 31, 65, 155, 325, 403, 775, 983, 2015, 4915, 10075, 12779, 24575, 30473, 63895, 152365, 319475, 396149, 761825, 1980745, 9903725]

約数ペア:

[(1, 9903725), (5, 1980745), (13, 761825), (25, 396149), (31, 319475), (65, 152365), (155, 63895), (325, 30473), (403, 24575), (775, 12779), (983, 10075), (2015, 4915)]