129881921

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{2459}}^1$

素因数の和:2728

約数の個数: 16

約数和(自身を含む): 148780800

約数和(自身を除く): 18898879

約数列:

[1, 13, 17, 221, 239, 2459, 3107, 4063, 31967, 41803, 52819, 543439, 587701, 7640113, 9990917, 129881921]

約数ペア:

[(1, 129881921), (13, 9990917), (17, 7640113), (221, 587701), (239, 543439), (2459, 52819), (3107, 41803), (4063, 31967)]