388451343

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{26539}}^1$

素因数の和:26607

約数の個数: 32

約数和(自身を含む): 642055680

約数和(自身を除く): 253604337

約数列:

[1, 3, 7, 17, 21, 41, 51, 119, 123, 287, 357, 697, 861, 2091, 4879, 14637, 26539, 79617, 185773, 451163, 557319, 1088099, 1353489, 3158141, 3264297, 7616693, 9474423, 18497683, 22850079, 55493049, 129483781, 388451343]

約数ペア:

[(1, 388451343), (3, 129483781), (7, 55493049), (17, 22850079), (21, 18497683), (41, 9474423), (51, 7616693), (119, 3264297), (123, 3158141), (287, 1353489), (357, 1088099), (697, 557319), (861, 451163), (2091, 185773), (4879, 79617), (14637, 26539)]