208400745

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{48409}}^1$

素因数の和:48465

約数の個数: 32

約数和(自身を含む): 390378240

約数和(自身を除く): 181977495

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 105, 123, 205, 287, 615, 861, 1435, 4305, 48409, 145227, 242045, 338863, 726135, 1016589, 1694315, 1984769, 5082945, 5954307, 9923845, 13893383, 29771535, 41680149, 69466915, 208400745]

約数ペア:

[(1, 208400745), (3, 69466915), (5, 41680149), (7, 29771535), (15, 13893383), (21, 9923845), (35, 5954307), (41, 5082945), (105, 1984769), (123, 1694315), (205, 1016589), (287, 726135), (615, 338863), (861, 242045), (1435, 145227), (4305, 48409)]