213881493

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{328543}}^1$

素因数の和:328584

約数の個数: 16

約数和(自身を含む): 336429056

約数和(自身を除く): 122547563

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 328543, 985629, 2299801, 6899403, 10184833, 30554499, 71293831, 213881493]

約数ペア:

[(1, 213881493), (3, 71293831), (7, 30554499), (21, 10184833), (31, 6899403), (93, 2299801), (217, 985629), (651, 328543)]