156931623045

素因数分解:

$3^4\times 5^1\times {\mathrm{387485489}}^1$

素因数の和:387485506

約数の個数: 20

約数和(自身を含む): 281314465740

約数和(自身を除く): 124382842695

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 387485489, 1162456467, 1937427445, 3487369401, 5812282335, 10462108203, 17436847005, 31386324609, 52310541015, 156931623045]

約数ペア:

[(1, 156931623045), (3, 52310541015), (5, 31386324609), (9, 17436847005), (15, 10462108203), (27, 5812282335), (45, 3487369401), (81, 1937427445), (135, 1162456467), (405, 387485489)]