29970531

素因数分解:

$3^2\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:475

約数の個数: 24

約数和(自身を含む): 44204160

約数和(自身を除く): 14233629

約数列:

[1, 3, 9, 109, 137, 223, 327, 411, 669, 981, 1233, 2007, 14933, 24307, 30551, 44799, 72921, 91653, 134397, 218763, 274959, 3330059, 9990177, 29970531]

約数ペア:

[(1, 29970531), (3, 9990177), (9, 3330059), (109, 274959), (137, 218763), (223, 134397), (327, 91653), (411, 72921), (669, 44799), (981, 30551), (1233, 24307), (2007, 14933)]