289290615

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{887}}^1\times {\mathrm{1279}}^1$

素因数の和:2191

約数の個数: 32

約数和(自身を含む): 491028480

約数和(自身を除く): 201737865

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 887, 1279, 2661, 3837, 4435, 6395, 13305, 15079, 19185, 21743, 45237, 65229, 75395, 108715, 226185, 326145, 1134473, 3403419, 5672365, 17017095, 19286041, 57858123, 96430205, 289290615]

約数ペア:

[(1, 289290615), (3, 96430205), (5, 57858123), (15, 19286041), (17, 17017095), (51, 5672365), (85, 3403419), (255, 1134473), (887, 326145), (1279, 226185), (2661, 108715), (3837, 75395), (4435, 65229), (6395, 45237), (13305, 21743), (15079, 19185)]