71003985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{21419}}^1$

素因数の和:21457

約数の個数: 32

約数和(自身を含む): 129548160

約数和(自身を除く): 58544175

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 21419, 64257, 107095, 278447, 321285, 364123, 835341, 1092369, 1392235, 1820615, 4176705, 4733599, 5461845, 14200797, 23667995, 71003985]

約数ペア:

[(1, 71003985), (3, 23667995), (5, 14200797), (13, 5461845), (15, 4733599), (17, 4176705), (39, 1820615), (51, 1392235), (65, 1092369), (85, 835341), (195, 364123), (221, 321285), (255, 278447), (663, 107095), (1105, 64257), (3315, 21419)]