25470855

素因数分解:

$3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1031}}^1$

素因数の和:1109

約数の個数: 40

約数和(自身を含む): 46452384

約数和(自身を除く): 20981529

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 81, 135, 183, 305, 405, 549, 915, 1031, 1647, 2745, 3093, 4941, 5155, 8235, 9279, 15465, 24705, 27837, 46395, 62891, 83511, 139185, 188673, 314455, 417555, 566019, 943365, 1698057, 2830095, 5094171, 8490285, 25470855]

約数ペア:

[(1, 25470855), (3, 8490285), (5, 5094171), (9, 2830095), (15, 1698057), (27, 943365), (45, 566019), (61, 417555), (81, 314455), (135, 188673), (183, 139185), (305, 83511), (405, 62891), (549, 46395), (915, 27837), (1031, 24705), (1647, 15465), (2745, 9279), (3093, 8235), (4941, 5155)]