28294575

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{13009}}^1$

素因数の和:13051

約数の個数: 24

約数和(自身を含む): 48397200

約数和(自身を除く): 20102625

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 2175, 13009, 39027, 65045, 195135, 325225, 377261, 975675, 1131783, 1886305, 5658915, 9431525, 28294575]

約数ペア:

[(1, 28294575), (3, 9431525), (5, 5658915), (15, 1886305), (25, 1131783), (29, 975675), (75, 377261), (87, 325225), (145, 195135), (435, 65045), (725, 39027), (2175, 13009)]