13930839

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:149

約数の個数: 48

約数和(自身を含む): 23189760

約数和(自身を除く): 9258921

約数列:

[1, 3, 9, 13, 27, 39, 43, 71, 117, 129, 169, 213, 351, 387, 507, 559, 639, 923, 1161, 1521, 1677, 1917, 2769, 3053, 4563, 5031, 7267, 8307, 9159, 11999, 15093, 21801, 24921, 27477, 35997, 39689, 65403, 82431, 107991, 119067, 196209, 323973, 357201, 515957, 1071603, 1547871, 4643613, 13930839]

約数ペア:

[(1, 13930839), (3, 4643613), (9, 1547871), (13, 1071603), (27, 515957), (39, 357201), (43, 323973), (71, 196209), (117, 119067), (129, 107991), (169, 82431), (213, 65403), (351, 39689), (387, 35997), (507, 27477), (559, 24921), (639, 21801), (923, 15093), (1161, 11999), (1521, 9159), (1677, 8307), (1917, 7267), (2769, 5031), (3053, 4563)]