208032993

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{24103}}^1$

素因数の和:24253

約数の個数: 24

約数和(自身を含む): 345940608

約数和(自身を除く): 137907615

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 959, 1233, 2877, 8631, 24103, 72309, 168721, 216927, 506163, 1518489, 3302111, 9906333, 23114777, 29718999, 69344331, 208032993]

約数ペア:

[(1, 208032993), (3, 69344331), (7, 29718999), (9, 23114777), (21, 9906333), (63, 3302111), (137, 1518489), (411, 506163), (959, 216927), (1233, 168721), (2877, 72309), (8631, 24103)]