42870969

素因数分解:

$3^2\times {\mathrm{103}}^2\times {\mathrm{449}}^1$

素因数の和:661

約数の個数: 18

約数和(自身を含む): 62671050

約数和(自身を除く): 19800081

約数列:

[1, 3, 9, 103, 309, 449, 927, 1347, 4041, 10609, 31827, 46247, 95481, 138741, 416223, 4763441, 14290323, 42870969]

約数ペア:

[(1, 42870969), (3, 14290323), (9, 4763441), (103, 416223), (309, 138741), (449, 95481), (927, 46247), (1347, 31827), (4041, 10609)]