31438491

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1061}}^1$

素因数の和:1171

約数の個数: 32

約数和(自身を含む): 51383808

約数和(自身を除く): 19945317

約数列:

[1, 3, 7, 17, 21, 51, 83, 119, 249, 357, 581, 1061, 1411, 1743, 3183, 4233, 7427, 9877, 18037, 22281, 29631, 54111, 88063, 126259, 264189, 378777, 616441, 1497071, 1849323, 4491213, 10479497, 31438491]

約数ペア:

[(1, 31438491), (3, 10479497), (7, 4491213), (17, 1849323), (21, 1497071), (51, 616441), (83, 378777), (119, 264189), (249, 126259), (357, 88063), (581, 54111), (1061, 29631), (1411, 22281), (1743, 18037), (3183, 9877), (4233, 7427)]