64398321

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2659}}^1$

素因数の和:2707

約数の個数: 40

約数和(自身を含む): 108144960

約数和(自身を除く): 43746639

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 81, 117, 207, 299, 351, 621, 897, 1053, 1863, 2659, 2691, 7977, 8073, 23931, 24219, 34567, 61157, 71793, 103701, 183471, 215379, 311103, 550413, 795041, 933309, 1651239, 2385123, 2799927, 4953717, 7155369, 21466107, 64398321]

約数ペア:

[(1, 64398321), (3, 21466107), (9, 7155369), (13, 4953717), (23, 2799927), (27, 2385123), (39, 1651239), (69, 933309), (81, 795041), (117, 550413), (207, 311103), (299, 215379), (351, 183471), (621, 103701), (897, 71793), (1053, 61157), (1863, 34567), (2659, 24219), (2691, 23931), (7977, 8073)]