231645491

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{3137}}^1$

素因数の和:3299

約数の個数: 24

約数和(自身を含む): 296202096

約数和(自身を除く): 64556605

約数列:

[1, 7, 11, 49, 77, 137, 539, 959, 1507, 3137, 6713, 10549, 21959, 34507, 73843, 153713, 241549, 429769, 1690843, 3008383, 4727459, 21058681, 33092213, 231645491]

約数ペア:

[(1, 231645491), (7, 33092213), (11, 21058681), (49, 4727459), (77, 3008383), (137, 1690843), (539, 429769), (959, 241549), (1507, 153713), (3137, 73843), (6713, 34507), (10549, 21959)]