260631

素因数分解:

$3^3\times 7^2\times {\mathrm{197}}^1$

素因数の和:220

約数の個数: 24

約数和(自身を含む): 451440

約数和(自身を除く): 190809

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 197, 441, 591, 1323, 1379, 1773, 4137, 5319, 9653, 12411, 28959, 37233, 86877, 260631]

約数ペア:

[(1, 260631), (3, 86877), (7, 37233), (9, 28959), (21, 12411), (27, 9653), (49, 5319), (63, 4137), (147, 1773), (189, 1379), (197, 1323), (441, 591)]