208641765

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{10357}}^1$

素因数の和:10461

約数の個数: 32

約数和(自身を含む): 357972480

約数和(自身を除く): 149330715

約数列:

[1, 3, 5, 15, 17, 51, 79, 85, 237, 255, 395, 1185, 1343, 4029, 6715, 10357, 20145, 31071, 51785, 155355, 176069, 528207, 818203, 880345, 2454609, 2641035, 4091015, 12273045, 13909451, 41728353, 69547255, 208641765]

約数ペア:

[(1, 208641765), (3, 69547255), (5, 41728353), (15, 13909451), (17, 12273045), (51, 4091015), (79, 2641035), (85, 2454609), (237, 880345), (255, 818203), (395, 528207), (1185, 176069), (1343, 155355), (4029, 51785), (6715, 31071), (10357, 20145)]