90853231

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{157}}^1\times {\mathrm{229}}^1$

素因数の和:431

約数の個数: 24

約数和(自身を含む): 110764320

約数和(自身を除く): 19911089

約数列:

[1, 7, 19, 133, 157, 229, 361, 1099, 1603, 2527, 2983, 4351, 20881, 30457, 35953, 56677, 82669, 251671, 396739, 578683, 683107, 4781749, 12979033, 90853231]

約数ペア:

[(1, 90853231), (7, 12979033), (19, 4781749), (133, 683107), (157, 578683), (229, 396739), (361, 251671), (1099, 82669), (1603, 56677), (2527, 35953), (2983, 30457), (4351, 20881)]