161918145

素因数分解:

$3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{40429}}^1$

素因数の和:40529

約数の個数: 24

約数和(自身を含む): 283818600

約数和(自身を除く): 121900455

約数列:

[1, 3, 5, 9, 15, 45, 89, 267, 445, 801, 1335, 4005, 40429, 121287, 202145, 363861, 606435, 1819305, 3598181, 10794543, 17990905, 32383629, 53972715, 161918145]

約数ペア:

[(1, 161918145), (3, 53972715), (5, 32383629), (9, 17990905), (15, 10794543), (45, 3598181), (89, 1819305), (267, 606435), (445, 363861), (801, 202145), (1335, 121287), (4005, 40429)]