40191885

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{20771}}^1$

素因数の和:20825

約数の個数: 24

約数和(自身を含む): 71289504

約数和(自身を除く): 31097619

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 20771, 62313, 103855, 186939, 311565, 893153, 934695, 2679459, 4465765, 8038377, 13397295, 40191885]

約数ペア:

[(1, 40191885), (3, 13397295), (5, 8038377), (9, 4465765), (15, 2679459), (43, 934695), (45, 893153), (129, 311565), (215, 186939), (387, 103855), (645, 62313), (1935, 20771)]