31285425

素因数分解:

$3^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{3001}}^1$

素因数の和:3153

約数の個数: 24

約数和(自身を含む): 52114720

約数和(自身を除く): 20829295

約数列:

[1, 3, 5, 15, 25, 75, 139, 417, 695, 2085, 3001, 3475, 9003, 10425, 15005, 45015, 75025, 225075, 417139, 1251417, 2085695, 6257085, 10428475, 31285425]

約数ペア:

[(1, 31285425), (3, 10428475), (5, 6257085), (15, 2085695), (25, 1251417), (75, 417139), (139, 225075), (417, 75025), (695, 45015), (2085, 15005), (3001, 10425), (3475, 9003)]