71775615

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{709}}^1$

素因数の和:1131

約数の個数: 32

約数和(自身を含む): 122074560

約数和(自身を除く): 50298945

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 397, 709, 1191, 1985, 2127, 3545, 5955, 6749, 10635, 12053, 20247, 33745, 36159, 60265, 101235, 180795, 281473, 844419, 1407365, 4222095, 4785041, 14355123, 23925205, 71775615]

約数ペア:

[(1, 71775615), (3, 23925205), (5, 14355123), (15, 4785041), (17, 4222095), (51, 1407365), (85, 844419), (255, 281473), (397, 180795), (709, 101235), (1191, 60265), (1985, 36159), (2127, 33745), (3545, 20247), (5955, 12053), (6749, 10635)]