1237691

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:123

約数の個数: 24

約数和(自身を含む): 1627920

約数和(自身を除く): 390229

約数列:

[1, 7, 13, 29, 49, 67, 91, 203, 377, 469, 637, 871, 1421, 1943, 2639, 3283, 6097, 13601, 18473, 25259, 42679, 95207, 176813, 1237691]

約数ペア:

[(1, 1237691), (7, 176813), (13, 95207), (29, 42679), (49, 25259), (67, 18473), (91, 13601), (203, 6097), (377, 3283), (469, 2639), (637, 1943), (871, 1421)]