51905343

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1223}}^1$

素因数の和:1323

約数の個数: 32

約数和(自身を含む): 82722816

約数和(自身を除く): 30817473

約数列:

[1, 3, 7, 21, 43, 47, 129, 141, 301, 329, 903, 987, 1223, 2021, 3669, 6063, 8561, 14147, 25683, 42441, 52589, 57481, 157767, 172443, 368123, 402367, 1104369, 1207101, 2471683, 7415049, 17301781, 51905343]

約数ペア:

[(1, 51905343), (3, 17301781), (7, 7415049), (21, 2471683), (43, 1207101), (47, 1104369), (129, 402367), (141, 368123), (301, 172443), (329, 157767), (903, 57481), (987, 52589), (1223, 42441), (2021, 25683), (3669, 14147), (6063, 8561)]