247489749

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3853}}^1$

素因数の和:3939

約数の個数: 40

約数和(自身を含む): 404777912

約数和(自身を除く): 157288163

約数列:

[1, 3, 9, 13, 27, 39, 61, 81, 117, 183, 351, 549, 793, 1053, 1647, 2379, 3853, 4941, 7137, 11559, 21411, 34677, 50089, 64233, 104031, 150267, 235033, 312093, 450801, 705099, 1352403, 2115297, 3055429, 4057209, 6345891, 9166287, 19037673, 27498861, 82496583, 247489749]

約数ペア:

[(1, 247489749), (3, 82496583), (9, 27498861), (13, 19037673), (27, 9166287), (39, 6345891), (61, 4057209), (81, 3055429), (117, 2115297), (183, 1352403), (351, 705099), (549, 450801), (793, 312093), (1053, 235033), (1647, 150267), (2379, 104031), (3853, 64233), (4941, 50089), (7137, 34677), (11559, 21411)]