28143195

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{2087}}^1$

素因数の和:2155

約数の個数: 32

約数和(自身を含む): 48107520

約数和(自身を除く): 19964325

約数列:

[1, 3, 5, 15, 29, 31, 87, 93, 145, 155, 435, 465, 899, 2087, 2697, 4495, 6261, 10435, 13485, 31305, 60523, 64697, 181569, 194091, 302615, 323485, 907845, 970455, 1876213, 5628639, 9381065, 28143195]

約数ペア:

[(1, 28143195), (3, 9381065), (5, 5628639), (15, 1876213), (29, 970455), (31, 907845), (87, 323485), (93, 302615), (145, 194091), (155, 181569), (435, 64697), (465, 60523), (899, 31305), (2087, 13485), (2697, 10435), (4495, 6261)]