81204915

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{44741}}^1$

素因数の和:44771

約数の個数: 24

約数和(自身を含む): 142816464

約数和(自身を除く): 61611549

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 605, 1815, 44741, 134223, 223705, 492151, 671115, 1476453, 2460755, 5413661, 7382265, 16240983, 27068305, 81204915]

約数ペア:

[(1, 81204915), (3, 27068305), (5, 16240983), (11, 7382265), (15, 5413661), (33, 2460755), (55, 1476453), (121, 671115), (165, 492151), (363, 223705), (605, 134223), (1815, 44741)]