401026689

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{2687}}^1$

素因数の和:2826

約数の個数: 48

約数和(自身を含む): 697761792

約数和(自身を除く): 296735103

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 103, 161, 207, 309, 483, 721, 927, 1449, 2163, 2369, 2687, 6489, 7107, 8061, 16583, 18809, 21321, 24183, 49749, 56427, 61801, 149247, 169281, 185403, 276761, 432607, 556209, 830283, 1297821, 1937327, 2490849, 3893463, 5811981, 6365503, 17435943, 19096509, 44558521, 57289527, 133675563, 401026689]

約数ペア:

[(1, 401026689), (3, 133675563), (7, 57289527), (9, 44558521), (21, 19096509), (23, 17435943), (63, 6365503), (69, 5811981), (103, 3893463), (161, 2490849), (207, 1937327), (309, 1297821), (483, 830283), (721, 556209), (927, 432607), (1449, 276761), (2163, 185403), (2369, 169281), (2687, 149247), (6489, 61801), (7107, 56427), (8061, 49749), (16583, 24183), (18809, 21321)]