81503045

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{33889}}^1$

素因数の和:33944

約数の個数: 16

約数和(自身を含む): 108176880

約数和(自身を除く): 26673835

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 33889, 169445, 440557, 1253893, 2202785, 6269465, 16300609, 81503045]

約数ペア:

[(1, 81503045), (5, 16300609), (13, 6269465), (37, 2202785), (65, 1253893), (185, 440557), (481, 169445), (2405, 33889)]