201990904725

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{2027}}^1\times {\mathrm{78157}}^1$

素因数の和:80214

約数の個数: 48

約数和(自身を含む): 353781874368

約数和(自身を除く): 151790969643

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 2027, 6081, 10135, 30405, 34459, 50675, 78157, 103377, 152025, 172295, 234471, 390785, 516885, 861475, 1172355, 1328669, 1953925, 2584425, 3986007, 5861775, 6643345, 19930035, 33216725, 99650175, 158424239, 475272717, 792121195, 2376363585, 2693212063, 3960605975, 8079636189, 11881817925, 13466060315, 40398180945, 67330301575, 201990904725]

約数ペア:

[(1, 201990904725), (3, 67330301575), (5, 40398180945), (15, 13466060315), (17, 11881817925), (25, 8079636189), (51, 3960605975), (75, 2693212063), (85, 2376363585), (255, 792121195), (425, 475272717), (1275, 158424239), (2027, 99650175), (6081, 33216725), (10135, 19930035), (30405, 6643345), (34459, 5861775), (50675, 3986007), (78157, 2584425), (103377, 1953925), (152025, 1328669), (172295, 1172355), (234471, 861475), (390785, 516885)]