138756195

素因数分解:

$3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{18917}}^1$

素因数の和:19091

約数の個数: 24

約数和(自身を含む): 241999056

約数和(自身を除く): 103242861

約数列:

[1, 3, 5, 9, 15, 45, 163, 489, 815, 1467, 2445, 7335, 18917, 56751, 94585, 170253, 283755, 851265, 3083471, 9250413, 15417355, 27751239, 46252065, 138756195]

約数ペア:

[(1, 138756195), (3, 46252065), (5, 27751239), (9, 15417355), (15, 9250413), (45, 3083471), (163, 851265), (489, 283755), (815, 170253), (1467, 94585), (2445, 56751), (7335, 18917)]