201190905

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{78437}}^1$

素因数の和:78470

約数の個数: 32

約数和(自身を含む): 376502400

約数和(自身を除く): 175311495

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 78437, 235311, 392185, 705933, 1176555, 1490303, 2117799, 3529665, 4470909, 7451515, 10588995, 13412727, 22354545, 40238181, 67063635, 201190905]

約数ペア:

[(1, 201190905), (3, 67063635), (5, 40238181), (9, 22354545), (15, 13412727), (19, 10588995), (27, 7451515), (45, 4470909), (57, 3529665), (95, 2117799), (135, 1490303), (171, 1176555), (285, 705933), (513, 392185), (855, 235311), (2565, 78437)]