13563875

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1$

素因数の和:536

約数の個数: 32

約数和(自身を含む): 19341504

約数和(自身を除く): 5777629

約数列:

[1, 5, 13, 17, 25, 65, 85, 125, 221, 325, 425, 491, 1105, 1625, 2125, 2455, 5525, 6383, 8347, 12275, 27625, 31915, 41735, 61375, 108511, 159575, 208675, 542555, 797875, 1043375, 2712775, 13563875]

約数ペア:

[(1, 13563875), (5, 2712775), (13, 1043375), (17, 797875), (25, 542555), (65, 208675), (85, 159575), (125, 108511), (221, 61375), (325, 41735), (425, 31915), (491, 27625), (1105, 12275), (1625, 8347), (2125, 6383), (2455, 5525)]