257133345

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{59729}}^1$

素因数の和:59785

約数の個数: 32

約数和(自身を含む): 481662720

約数和(自身を除く): 224529375

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 105, 123, 205, 287, 615, 861, 1435, 4305, 59729, 179187, 298645, 418103, 895935, 1254309, 2090515, 2448889, 6271545, 7346667, 12244445, 17142223, 36733335, 51426669, 85711115, 257133345]

約数ペア:

[(1, 257133345), (3, 85711115), (5, 51426669), (7, 36733335), (15, 17142223), (21, 12244445), (35, 7346667), (41, 6271545), (105, 2448889), (123, 2090515), (205, 1254309), (287, 895935), (615, 418103), (861, 298645), (1435, 179187), (4305, 59729)]