1421147

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:147

約数の個数: 24

約数和(自身を含む): 1876896

約数和(自身を除く): 455749

約数列:

[1, 7, 13, 23, 49, 91, 97, 161, 299, 637, 679, 1127, 1261, 2093, 2231, 4753, 8827, 14651, 15617, 29003, 61789, 109319, 203021, 1421147]

約数ペア:

[(1, 1421147), (7, 203021), (13, 109319), (23, 61789), (49, 29003), (91, 15617), (97, 14651), (161, 8827), (299, 4753), (637, 2231), (679, 2093), (1127, 1261)]