3987555

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^3$

素因数の和:69

約数の個数: 48

約数和(自身を含む): 7596960

約数和(自身を除く): 3609405

約数列:

[1, 3, 5, 11, 13, 15, 33, 39, 55, 65, 121, 143, 165, 169, 195, 363, 429, 507, 605, 715, 845, 1573, 1815, 1859, 2145, 2197, 2535, 4719, 5577, 6591, 7865, 9295, 10985, 20449, 23595, 24167, 27885, 32955, 61347, 72501, 102245, 120835, 265837, 306735, 362505, 797511, 1329185, 3987555]

約数ペア:

[(1, 3987555), (3, 1329185), (5, 797511), (11, 362505), (13, 306735), (15, 265837), (33, 120835), (39, 102245), (55, 72501), (65, 61347), (121, 32955), (143, 27885), (165, 24167), (169, 23595), (195, 20449), (363, 10985), (429, 9295), (507, 7865), (605, 6591), (715, 5577), (845, 4719), (1573, 2535), (1815, 2197), (1859, 2145)]