56720145

素因数分解:

$3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{42487}}^1$

素因数の和:42584

約数の個数: 16

約数和(自身を含む): 91774080

約数和(自身を除く): 35053935

約数列:

[1, 3, 5, 15, 89, 267, 445, 1335, 42487, 127461, 212435, 637305, 3781343, 11344029, 18906715, 56720145]

約数ペア:

[(1, 56720145), (3, 18906715), (5, 11344029), (15, 3781343), (89, 637305), (267, 212435), (445, 127461), (1335, 42487)]