721325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:125

約数の個数: 24

約数和(自身を含む): 1014816

約数和(自身を除く): 293491

約数列:

[1, 5, 11, 25, 43, 55, 61, 215, 275, 305, 473, 671, 1075, 1525, 2365, 2623, 3355, 11825, 13115, 16775, 28853, 65575, 144265, 721325]

約数ペア:

[(1, 721325), (5, 144265), (11, 65575), (25, 28853), (43, 16775), (55, 13115), (61, 11825), (215, 3355), (275, 2623), (305, 2365), (473, 1525), (671, 1075)]