287687685

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{38903}}^1$

素因数の和:38957

約数の個数: 32

約数和(自身を含む): 504195840

約数和(自身を除く): 216508155

約数列:

[1, 3, 5, 15, 17, 29, 51, 85, 87, 145, 255, 435, 493, 1479, 2465, 7395, 38903, 116709, 194515, 583545, 661351, 1128187, 1984053, 3306755, 3384561, 5640935, 9920265, 16922805, 19179179, 57537537, 95895895, 287687685]

約数ペア:

[(1, 287687685), (3, 95895895), (5, 57537537), (15, 19179179), (17, 16922805), (29, 9920265), (51, 5640935), (85, 3384561), (87, 3306755), (145, 1984053), (255, 1128187), (435, 661351), (493, 583545), (1479, 194515), (2465, 116709), (7395, 38903)]