291630639

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{1229}}^1$

素因数の和:1455

約数の個数: 32

約数和(自身を含む): 429811200

約数和(自身を除く): 138180561

約数列:

[1, 3, 19, 23, 57, 69, 181, 437, 543, 1229, 1311, 3439, 3687, 4163, 10317, 12489, 23351, 28267, 70053, 79097, 84801, 222449, 237291, 537073, 667347, 1611219, 4226531, 5116327, 12679593, 15348981, 97210213, 291630639]

約数ペア:

[(1, 291630639), (3, 97210213), (19, 15348981), (23, 12679593), (57, 5116327), (69, 4226531), (181, 1611219), (437, 667347), (543, 537073), (1229, 237291), (1311, 222449), (3439, 84801), (3687, 79097), (4163, 70053), (10317, 28267), (12489, 23351)]