201890475

素因数分解:

$3^5\times 5^2\times {\mathrm{167}}^1\times {\mathrm{199}}^1$

素因数の和:391

約数の個数: 72

約数和(自身を含む): 379142400

約数和(自身を除く): 177251925

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 167, 199, 225, 243, 405, 501, 597, 675, 835, 995, 1215, 1503, 1791, 2025, 2505, 2985, 4175, 4509, 4975, 5373, 6075, 7515, 8955, 12525, 13527, 14925, 16119, 22545, 26865, 33233, 37575, 40581, 44775, 48357, 67635, 80595, 99699, 112725, 134325, 166165, 202905, 241785, 299097, 338175, 402975, 498495, 830825, 897291, 1014525, 1208925, 1495485, 2492475, 2691873, 4486455, 7477425, 8075619, 13459365, 22432275, 40378095, 67296825, 201890475]

約数ペア:

[(1, 201890475), (3, 67296825), (5, 40378095), (9, 22432275), (15, 13459365), (25, 8075619), (27, 7477425), (45, 4486455), (75, 2691873), (81, 2492475), (135, 1495485), (167, 1208925), (199, 1014525), (225, 897291), (243, 830825), (405, 498495), (501, 402975), (597, 338175), (675, 299097), (835, 241785), (995, 202905), (1215, 166165), (1503, 134325), (1791, 112725), (2025, 99699), (2505, 80595), (2985, 67635), (4175, 48357), (4509, 44775), (4975, 40581), (5373, 37575), (6075, 33233), (7515, 26865), (8955, 22545), (12525, 16119), (13527, 14925)]