211620171

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{62591}}^1$

素因数の和:62631

約数の個数: 24

約数和(自身を含む): 342503424

約数和(自身を除く): 130883253

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 483, 1127, 3381, 62591, 187773, 438137, 1314411, 1439593, 3066959, 4318779, 9200877, 10077151, 30231453, 70540057, 211620171]

約数ペア:

[(1, 211620171), (3, 70540057), (7, 30231453), (21, 10077151), (23, 9200877), (49, 4318779), (69, 3066959), (147, 1439593), (161, 1314411), (483, 438137), (1127, 187773), (3381, 62591)]