42725709

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{21481}}^1$

素因数の和:21517

約数の個数: 24

約数和(自身を含む): 70375032

約数和(自身を除く): 27649323

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 21481, 64443, 193329, 279253, 365177, 837759, 1095531, 2513277, 3286593, 4747301, 14241903, 42725709]

約数ペア:

[(1, 42725709), (3, 14241903), (9, 4747301), (13, 3286593), (17, 2513277), (39, 1095531), (51, 837759), (117, 365177), (153, 279253), (221, 193329), (663, 64443), (1989, 21481)]