54721575

素因数分解:

$3^4\times 5^2\times {\mathrm{61}}^1\times {\mathrm{443}}^1$

素因数の和:526

約数の個数: 60

約数和(自身を含む): 103257528

約数和(自身を除く): 48535953

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 61, 75, 81, 135, 183, 225, 305, 405, 443, 549, 675, 915, 1329, 1525, 1647, 2025, 2215, 2745, 3987, 4575, 4941, 6645, 8235, 11075, 11961, 13725, 19935, 24705, 27023, 33225, 35883, 41175, 59805, 81069, 99675, 123525, 135115, 179415, 243207, 299025, 405345, 675575, 729621, 897075, 1216035, 2026725, 2188863, 3648105, 6080175, 10944315, 18240525, 54721575]

約数ペア:

[(1, 54721575), (3, 18240525), (5, 10944315), (9, 6080175), (15, 3648105), (25, 2188863), (27, 2026725), (45, 1216035), (61, 897075), (75, 729621), (81, 675575), (135, 405345), (183, 299025), (225, 243207), (305, 179415), (405, 135115), (443, 123525), (549, 99675), (675, 81069), (915, 59805), (1329, 41175), (1525, 35883), (1647, 33225), (2025, 27023), (2215, 24705), (2745, 19935), (3987, 13725), (4575, 11961), (4941, 11075), (6645, 8235)]