39989685

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{37549}}^1$

素因数の和:37628

約数の個数: 16

約数和(自身を含む): 64886400

約数和(自身を除く): 24896715

約数列:

[1, 3, 5, 15, 71, 213, 355, 1065, 37549, 112647, 187745, 563235, 2665979, 7997937, 13329895, 39989685]

約数ペア:

[(1, 39989685), (3, 13329895), (5, 7997937), (15, 2665979), (71, 563235), (213, 187745), (355, 112647), (1065, 37549)]