90978975

素因数分解:

$3^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{2909}}^1$

素因数の和:3064

約数の個数: 36

約数和(自身を含む): 164182200

約数和(自身を除く): 73203225

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 139, 225, 417, 695, 1251, 2085, 2909, 3475, 6255, 8727, 10425, 14545, 26181, 31275, 43635, 72725, 130905, 218175, 404351, 654525, 1213053, 2021755, 3639159, 6065265, 10108775, 18195795, 30326325, 90978975]

約数ペア:

[(1, 90978975), (3, 30326325), (5, 18195795), (9, 10108775), (15, 6065265), (25, 3639159), (45, 2021755), (75, 1213053), (139, 654525), (225, 404351), (417, 218175), (695, 130905), (1251, 72725), (2085, 43635), (2909, 31275), (3475, 26181), (6255, 14545), (8727, 10425)]