25317537

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1\times {\mathrm{227}}^1$

素因数の和:397

約数の個数: 32

約数和(自身を含む): 39923712

約数和(自身を除く): 14606175

約数列:

[1, 3, 7, 21, 47, 113, 141, 227, 329, 339, 681, 791, 987, 1589, 2373, 4767, 5311, 10669, 15933, 25651, 32007, 37177, 74683, 76953, 111531, 179557, 224049, 538671, 1205597, 3616791, 8439179, 25317537]

約数ペア:

[(1, 25317537), (3, 8439179), (7, 3616791), (21, 1205597), (47, 538671), (113, 224049), (141, 179557), (227, 111531), (329, 76953), (339, 74683), (681, 37177), (791, 32007), (987, 25651), (1589, 15933), (2373, 10669), (4767, 5311)]