757071

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:271

約数の個数: 24

約数和(自身を含む): 1276704

約数和(自身を除く): 519633

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 197, 427, 549, 591, 1281, 1379, 1773, 3843, 4137, 12017, 12411, 36051, 84119, 108153, 252357, 757071]

約数ペア:

[(1, 757071), (3, 252357), (7, 108153), (9, 84119), (21, 36051), (61, 12411), (63, 12017), (183, 4137), (197, 3843), (427, 1773), (549, 1379), (591, 1281)]