201771225

素因数分解:

$3^2\times 5^2\times {\mathrm{61}}^2\times {\mathrm{241}}^1$

素因数の和:379

約数の個数: 54

約数和(自身を含む): 368940858

約数和(自身を除く): 167169633

約数列:

[1, 3, 5, 9, 15, 25, 45, 61, 75, 183, 225, 241, 305, 549, 723, 915, 1205, 1525, 2169, 2745, 3615, 3721, 4575, 6025, 10845, 11163, 13725, 14701, 18075, 18605, 33489, 44103, 54225, 55815, 73505, 93025, 132309, 167445, 220515, 279075, 367525, 661545, 837225, 896761, 1102575, 2690283, 3307725, 4483805, 8070849, 13451415, 22419025, 40354245, 67257075, 201771225]

約数ペア:

[(1, 201771225), (3, 67257075), (5, 40354245), (9, 22419025), (15, 13451415), (25, 8070849), (45, 4483805), (61, 3307725), (75, 2690283), (183, 1102575), (225, 896761), (241, 837225), (305, 661545), (549, 367525), (723, 279075), (915, 220515), (1205, 167445), (1525, 132309), (2169, 93025), (2745, 73505), (3615, 55815), (3721, 54225), (4575, 44103), (6025, 33489), (10845, 18605), (11163, 18075), (13725, 14701)]