39720045

素因数分解:

$3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{27299}}^1$

素因数の和:27404

約数の個数: 16

約数和(自身を含む): 64209600

約数和(自身を除く): 24489555

約数列:

[1, 3, 5, 15, 97, 291, 485, 1455, 27299, 81897, 136495, 409485, 2648003, 7944009, 13240015, 39720045]

約数ペア:

[(1, 39720045), (3, 13240015), (5, 7944009), (15, 2648003), (97, 409485), (291, 136495), (485, 81897), (1455, 27299)]