31006215

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{40531}}^1$

素因数の和:40559

約数の個数: 24

約数和(自身を含む): 56906928

約数和(自身を除く): 25900713

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 40531, 121593, 202655, 364779, 607965, 689027, 1823895, 2067081, 3445135, 6201243, 10335405, 31006215]

約数ペア:

[(1, 31006215), (3, 10335405), (5, 6201243), (9, 3445135), (15, 2067081), (17, 1823895), (45, 689027), (51, 607965), (85, 364779), (153, 202655), (255, 121593), (765, 40531)]