1297032009

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{678719}}^1$

素因数の和:678749

約数の個数: 24

約数和(自身を含む): 2166474240

約数和(自身を除く): 869442231

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 678719, 2036157, 4751033, 8823347, 14253099, 26470041, 33257231, 61763429, 99771693, 185290287, 432344003, 1297032009]

約数ペア:

[(1, 1297032009), (3, 432344003), (7, 185290287), (13, 99771693), (21, 61763429), (39, 33257231), (49, 26470041), (91, 14253099), (147, 8823347), (273, 4751033), (637, 2036157), (1911, 678719)]