280420833

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1213943}}^1$

素因数の和:1213964

約数の個数: 16

約数和(自身を含む): 466154496

約数和(自身を除く): 185733663

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 1213943, 3641829, 8497601, 13353373, 25492803, 40060119, 93473611, 280420833]

約数ペア:

[(1, 280420833), (3, 93473611), (7, 40060119), (11, 25492803), (21, 13353373), (33, 8497601), (77, 3641829), (231, 1213943)]