216123.0000000

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{997}}^1$

素因数の和:1039

約数の個数: 24

約数和(自身を含む): 3712560

約数和(自身を除く): 1544085

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 997, 2175, 2991, 4985, 14955, 24925, 28913, 74775, 86739, 144565, 433695, 722825, 2168475]

約数ペア:

[(1, 2168475), (3, 722825), (5, 433695), (15, 144565), (25, 86739), (29, 74775), (75, 28913), (87, 24925), (145, 14955), (435, 4985), (725, 2991), (997, 2175)]