30903885

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15971}}^1$

素因数の和:16025

約数の個数: 24

約数和(自身を含む): 54815904

約数和(自身を除く): 23912019

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 15971, 47913, 79855, 143739, 239565, 686753, 718695, 2060259, 3433765, 6180777, 10301295, 30903885]

約数ペア:

[(1, 30903885), (3, 10301295), (5, 6180777), (9, 3433765), (15, 2060259), (43, 718695), (45, 686753), (129, 239565), (215, 143739), (387, 79855), (645, 47913), (1935, 15971)]