31280805

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{30223}}^1$

素因数の和:30257

約数の個数: 24

約数和(自身を含む): 56579328

約数和(自身を除く): 25298523

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 30223, 90669, 151115, 272007, 453345, 695129, 1360035, 2085387, 3475645, 6256161, 10426935, 31280805]

約数ペア:

[(1, 31280805), (3, 10426935), (5, 6256161), (9, 3475645), (15, 2085387), (23, 1360035), (45, 695129), (69, 453345), (115, 272007), (207, 151115), (345, 90669), (1035, 30223)]