12455421

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^2$

素因数の和:253

約数の個数: 24

約数和(自身を含む): 18792672

約数和(自身を除く): 6337251

約数列:

[1, 3, 11, 33, 37, 101, 111, 303, 407, 1111, 1221, 3333, 3737, 10201, 11211, 30603, 41107, 112211, 123321, 336633, 377437, 1132311, 4151807, 12455421]

約数ペア:

[(1, 12455421), (3, 4151807), (11, 1132311), (33, 377437), (37, 336633), (101, 123321), (111, 112211), (303, 41107), (407, 30603), (1111, 11211), (1221, 10201), (3333, 3737)]