288765

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:71

約数の個数: 40

約数和(自身を含む): 557568

約数和(自身を除く): 268803

約数列:

[1, 3, 5, 9, 15, 23, 27, 31, 45, 69, 81, 93, 115, 135, 155, 207, 279, 345, 405, 465, 621, 713, 837, 1035, 1395, 1863, 2139, 2511, 3105, 3565, 4185, 6417, 9315, 10695, 12555, 19251, 32085, 57753, 96255, 288765]

約数ペア:

[(1, 288765), (3, 96255), (5, 57753), (9, 32085), (15, 19251), (23, 12555), (27, 10695), (31, 9315), (45, 6417), (69, 4185), (81, 3565), (93, 3105), (115, 2511), (135, 2139), (155, 1863), (207, 1395), (279, 1035), (345, 837), (405, 713), (465, 621)]