28920975

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{13297}}^1$

素因数の和:13339

約数の個数: 24

約数和(自身を含む): 49468560

約数和(自身を除く): 20547585

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 2175, 13297, 39891, 66485, 199455, 332425, 385613, 997275, 1156839, 1928065, 5784195, 9640325, 28920975]

約数ペア:

[(1, 28920975), (3, 9640325), (5, 5784195), (15, 1928065), (25, 1156839), (29, 997275), (75, 385613), (87, 332425), (145, 199455), (435, 66485), (725, 39891), (2175, 13297)]