28204095

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2819}}^1$

素因数の和:2879

約数の個数: 32

約数和(自身を含む): 48729600

約数和(自身を除く): 20525505

約数列:

[1, 3, 5, 15, 23, 29, 69, 87, 115, 145, 345, 435, 667, 2001, 2819, 3335, 8457, 10005, 14095, 42285, 64837, 81751, 194511, 245253, 324185, 408755, 972555, 1226265, 1880273, 5640819, 9401365, 28204095]

約数ペア:

[(1, 28204095), (3, 9401365), (5, 5640819), (15, 1880273), (23, 1226265), (29, 972555), (69, 408755), (87, 324185), (115, 245253), (145, 194511), (345, 81751), (435, 64837), (667, 42285), (2001, 14095), (2819, 10005), (3335, 8457)]