291219279

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{307}}^1\times {\mathrm{1871}}^1$

素因数の和:2207

約数の個数: 24

約数和(自身を含む): 422053632

約数和(自身を除く): 130834353

約数列:

[1, 3, 13, 39, 169, 307, 507, 921, 1871, 3991, 5613, 11973, 24323, 51883, 72969, 155649, 316199, 574397, 948597, 1723191, 7467161, 22401483, 97073093, 291219279]

約数ペア:

[(1, 291219279), (3, 97073093), (13, 22401483), (39, 7467161), (169, 1723191), (307, 948597), (507, 574397), (921, 316199), (1871, 155649), (3991, 72969), (5613, 51883), (11973, 24323)]