15811315

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{5657}}^1$

素因数の和:5718

約数の個数: 16

約数和(自身を含む): 20911968

約数和(自身を除く): 5100653

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 5657, 28285, 73541, 243251, 367705, 1216255, 3162263, 15811315]

約数ペア:

[(1, 15811315), (5, 3162263), (13, 1216255), (43, 367705), (65, 243251), (215, 73541), (559, 28285), (2795, 5657)]