28808715

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{941}}^1$

素因数の和:1119

約数の個数: 32

約数和(自身を含む): 50008896

約数和(自身を除く): 21200181

約数列:

[1, 3, 5, 13, 15, 39, 65, 157, 195, 471, 785, 941, 2041, 2355, 2823, 4705, 6123, 10205, 12233, 14115, 30615, 36699, 61165, 147737, 183495, 443211, 738685, 1920581, 2216055, 5761743, 9602905, 28808715]

約数ペア:

[(1, 28808715), (3, 9602905), (5, 5761743), (13, 2216055), (15, 1920581), (39, 738685), (65, 443211), (157, 183495), (195, 147737), (471, 61165), (785, 36699), (941, 30615), (2041, 14115), (2355, 12233), (2823, 10205), (4705, 6123)]