389625825

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1627}}^1$

素因数の和:1774

約数の個数: 48

約数和(自身を含む): 671830016

約数和(自身を除く): 282204191

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 103, 155, 309, 465, 515, 775, 1545, 1627, 2325, 2575, 3193, 4881, 7725, 8135, 9579, 15965, 24405, 40675, 47895, 50437, 79825, 122025, 151311, 167581, 239475, 252185, 502743, 756555, 837905, 1260925, 2513715, 3782775, 4189525, 5195011, 12568575, 15585033, 25975055, 77925165, 129875275, 389625825]

約数ペア:

[(1, 389625825), (3, 129875275), (5, 77925165), (15, 25975055), (25, 15585033), (31, 12568575), (75, 5195011), (93, 4189525), (103, 3782775), (155, 2513715), (309, 1260925), (465, 837905), (515, 756555), (775, 502743), (1545, 252185), (1627, 239475), (2325, 167581), (2575, 151311), (3193, 122025), (4881, 79825), (7725, 50437), (8135, 47895), (9579, 40675), (15965, 24405)]