87561825

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2897}}^1$

素因数の和:2954

約数の個数: 48

約数和(自身を含む): 160989696

約数和(自身を除く): 73427871

約数列:

[1, 3, 5, 13, 15, 25, 31, 39, 65, 75, 93, 155, 195, 325, 403, 465, 775, 975, 1209, 2015, 2325, 2897, 6045, 8691, 10075, 14485, 30225, 37661, 43455, 72425, 89807, 112983, 188305, 217275, 269421, 449035, 564915, 941525, 1167491, 1347105, 2245175, 2824575, 3502473, 5837455, 6735525, 17512365, 29187275, 87561825]

約数ペア:

[(1, 87561825), (3, 29187275), (5, 17512365), (13, 6735525), (15, 5837455), (25, 3502473), (31, 2824575), (39, 2245175), (65, 1347105), (75, 1167491), (93, 941525), (155, 564915), (195, 449035), (325, 269421), (403, 217275), (465, 188305), (775, 112983), (975, 89807), (1209, 72425), (2015, 43455), (2325, 37661), (2897, 30225), (6045, 14485), (8691, 10075)]