219317625

素因数分解:

$3^4\times 5^3\times {\mathrm{21661}}^1$

素因数の和:21688

約数の個数: 40

約数和(自身を含む): 408891912

約数和(自身を除く): 189574287

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 375, 405, 675, 1125, 2025, 3375, 10125, 21661, 64983, 108305, 194949, 324915, 541525, 584847, 974745, 1624575, 1754541, 2707625, 2924235, 4873725, 8122875, 8772705, 14621175, 24368625, 43863525, 73105875, 219317625]

約数ペア:

[(1, 219317625), (3, 73105875), (5, 43863525), (9, 24368625), (15, 14621175), (25, 8772705), (27, 8122875), (45, 4873725), (75, 2924235), (81, 2707625), (125, 1754541), (135, 1624575), (225, 974745), (375, 584847), (405, 541525), (675, 324915), (1125, 194949), (2025, 108305), (3375, 64983), (10125, 21661)]