80171049

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1889}}^1$

素因数の和:1989

約数の個数: 32

約数和(自身を含む): 127733760

約数和(自身を除く): 47562711

約数列:

[1, 3, 7, 21, 43, 47, 129, 141, 301, 329, 903, 987, 1889, 2021, 5667, 6063, 13223, 14147, 39669, 42441, 81227, 88783, 243681, 266349, 568589, 621481, 1705767, 1864443, 3817669, 11453007, 26723683, 80171049]

約数ペア:

[(1, 80171049), (3, 26723683), (7, 11453007), (21, 3817669), (43, 1864443), (47, 1705767), (129, 621481), (141, 568589), (301, 266349), (329, 243681), (903, 88783), (987, 81227), (1889, 42441), (2021, 39669), (5667, 14147), (6063, 13223)]