31140675

素因数分解:

$3^2\times 5^2\times {\mathrm{138403}}^1$

素因数の和:138419

約数の個数: 18

約数和(自身を含む): 55776812

約数和(自身を除く): 24636137

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 138403, 415209, 692015, 1245627, 2076045, 3460075, 6228135, 10380225, 31140675]

約数ペア:

[(1, 31140675), (3, 10380225), (5, 6228135), (9, 3460075), (15, 2076045), (25, 1245627), (45, 692015), (75, 415209), (225, 138403)]