31328475

素因数分解:

$3^1\times 5^2\times {\mathrm{137}}^1\times {\mathrm{3049}}^1$

素因数の和:3199

約数の個数: 24

約数和(自身を含む): 52191600

約数和(自身を除く): 20863125

約数列:

[1, 3, 5, 15, 25, 75, 137, 411, 685, 2055, 3049, 3425, 9147, 10275, 15245, 45735, 76225, 228675, 417713, 1253139, 2088565, 6265695, 10442825, 31328475]

約数ペア:

[(1, 31328475), (3, 10442825), (5, 6265695), (15, 2088565), (25, 1253139), (75, 417713), (137, 228675), (411, 76225), (685, 45735), (2055, 15245), (3049, 10275), (3425, 9147)]