13571025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 24998400

約数和(自身を除く): 11427375

約数列:

[1, 3, 5, 13, 15, 25, 31, 39, 65, 75, 93, 155, 195, 325, 403, 449, 465, 775, 975, 1209, 1347, 2015, 2245, 2325, 5837, 6045, 6735, 10075, 11225, 13919, 17511, 29185, 30225, 33675, 41757, 69595, 87555, 145925, 180947, 208785, 347975, 437775, 542841, 904735, 1043925, 2714205, 4523675, 13571025]

約数ペア:

[(1, 13571025), (3, 4523675), (5, 2714205), (13, 1043925), (15, 904735), (25, 542841), (31, 437775), (39, 347975), (65, 208785), (75, 180947), (93, 145925), (155, 87555), (195, 69595), (325, 41757), (403, 33675), (449, 30225), (465, 29185), (775, 17511), (975, 13919), (1209, 11225), (1347, 10075), (2015, 6735), (2245, 6045), (2325, 5837)]