1279551

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:175

約数の個数: 32

約数和(自身を含む): 2168320

約数和(自身を除く): 888769

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 109, 129, 273, 301, 327, 559, 763, 903, 1417, 1677, 2289, 3913, 4251, 4687, 9919, 11739, 14061, 29757, 32809, 60931, 98427, 182793, 426517, 1279551]

約数ペア:

[(1, 1279551), (3, 426517), (7, 182793), (13, 98427), (21, 60931), (39, 32809), (43, 29757), (91, 14061), (109, 11739), (129, 9919), (273, 4687), (301, 4251), (327, 3913), (559, 2289), (763, 1677), (903, 1417)]