213954885

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{36857}}^1$

素因数の和:36914

約数の個数: 32

約数和(自身を含む): 389220480

約数和(自身を除く): 175265595

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 1161, 1935, 5805, 36857, 110571, 184285, 331713, 552855, 995139, 1584851, 1658565, 4754553, 4975695, 7924255, 14263659, 23772765, 42790977, 71318295, 213954885]

約数ペア:

[(1, 213954885), (3, 71318295), (5, 42790977), (9, 23772765), (15, 14263659), (27, 7924255), (43, 4975695), (45, 4754553), (129, 1658565), (135, 1584851), (215, 995139), (387, 552855), (645, 331713), (1161, 184285), (1935, 110571), (5805, 36857)]