291555

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:72

約数の個数: 48

約数和(自身を含む): 599040

約数和(自身を除く): 307485

約数列:

[1, 3, 5, 9, 11, 15, 19, 31, 33, 45, 55, 57, 93, 95, 99, 155, 165, 171, 209, 279, 285, 341, 465, 495, 589, 627, 855, 1023, 1045, 1395, 1705, 1767, 1881, 2945, 3069, 3135, 5115, 5301, 6479, 8835, 9405, 15345, 19437, 26505, 32395, 58311, 97185, 291555]

約数ペア:

[(1, 291555), (3, 97185), (5, 58311), (9, 32395), (11, 26505), (15, 19437), (19, 15345), (31, 9405), (33, 8835), (45, 6479), (55, 5301), (57, 5115), (93, 3135), (95, 3069), (99, 2945), (155, 1881), (165, 1767), (171, 1705), (209, 1395), (279, 1045), (285, 1023), (341, 855), (465, 627), (495, 589)]