271505521

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{821}}^1$

素因数の和:1249

約数の個数: 24

約数和(自身を含む): 335662056

約数和(自身を除く): 64156535

約数列:

[1, 7, 17, 49, 119, 397, 821, 833, 2779, 5747, 6749, 13957, 19453, 40229, 47243, 97699, 325937, 330701, 683893, 2281559, 5540929, 15970913, 38786503, 271505521]

約数ペア:

[(1, 271505521), (7, 38786503), (17, 15970913), (49, 5540929), (119, 2281559), (397, 683893), (821, 330701), (833, 325937), (2779, 97699), (5747, 47243), (6749, 40229), (13957, 19453)]