1220131275

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1478947}}^1$

素因数の和:1478971

約数の個数: 24

約数和(自身を含む): 2200674624

約数和(自身を除く): 980543349

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 825, 1478947, 4436841, 7394735, 16268417, 22184205, 36973675, 48805251, 81342085, 110921025, 244026255, 406710425, 1220131275]

約数ペア:

[(1, 1220131275), (3, 406710425), (5, 244026255), (11, 110921025), (15, 81342085), (25, 48805251), (33, 36973675), (55, 22184205), (75, 16268417), (165, 7394735), (275, 4436841), (825, 1478947)]