81553797

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1889}}^1$

素因数の和:1955

約数の個数: 40

約数和(自身を含む): 134469720

約数和(自身を除く): 52915923

約数列:

[1, 3, 9, 13, 27, 39, 41, 81, 117, 123, 351, 369, 533, 1053, 1107, 1599, 1889, 3321, 4797, 5667, 14391, 17001, 24557, 43173, 51003, 73671, 77449, 153009, 221013, 232347, 663039, 697041, 1006837, 1989117, 2091123, 3020511, 6273369, 9061533, 27184599, 81553797]

約数ペア:

[(1, 81553797), (3, 27184599), (9, 9061533), (13, 6273369), (27, 3020511), (39, 2091123), (41, 1989117), (81, 1006837), (117, 697041), (123, 663039), (351, 232347), (369, 221013), (533, 153009), (1053, 77449), (1107, 73671), (1599, 51003), (1889, 43173), (3321, 24557), (4797, 17001), (5667, 14391)]