55221957

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{21379}}^1$

素因数の和:21433

約数の個数: 24

約数和(自身を含む): 93387840

約数和(自身を除く): 38165883

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 21379, 64137, 149653, 192411, 448959, 876539, 1346877, 2629617, 6135773, 7888851, 18407319, 55221957]

約数ペア:

[(1, 55221957), (3, 18407319), (7, 7888851), (9, 6135773), (21, 2629617), (41, 1346877), (63, 876539), (123, 448959), (287, 192411), (369, 149653), (861, 64137), (2583, 21379)]