81357795

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{58321}}^1$

素因数の和:58363

約数の個数: 24

約数和(自身を含む): 145571712

約数和(自身を除く): 64213917

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 465, 1395, 58321, 174963, 291605, 524889, 874815, 1807951, 2624445, 5423853, 9039755, 16271559, 27119265, 81357795]

約数ペア:

[(1, 81357795), (3, 27119265), (5, 16271559), (9, 9039755), (15, 5423853), (31, 2624445), (45, 1807951), (93, 874815), (155, 524889), (279, 291605), (465, 174963), (1395, 58321)]