27625905

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 51168000

約数和(自身を除く): 23542095

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 79, 95, 171, 237, 285, 395, 409, 711, 855, 1185, 1227, 1501, 2045, 3555, 3681, 4503, 6135, 7505, 7771, 13509, 18405, 22515, 23313, 32311, 38855, 67545, 69939, 96933, 116565, 161555, 290799, 349695, 484665, 613909, 1453995, 1841727, 3069545, 5525181, 9208635, 27625905]

約数ペア:

[(1, 27625905), (3, 9208635), (5, 5525181), (9, 3069545), (15, 1841727), (19, 1453995), (45, 613909), (57, 484665), (79, 349695), (95, 290799), (171, 161555), (237, 116565), (285, 96933), (395, 69939), (409, 67545), (711, 38855), (855, 32311), (1185, 23313), (1227, 22515), (1501, 18405), (2045, 13509), (3555, 7771), (3681, 7505), (4503, 6135)]