13378203

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:245

約数の個数: 40

約数和(自身を含む): 21466368

約数和(自身を除く): 8088165

約数列:

[1, 3, 9, 23, 27, 43, 69, 81, 129, 167, 207, 387, 501, 621, 989, 1161, 1503, 1863, 2967, 3483, 3841, 4509, 7181, 8901, 11523, 13527, 21543, 26703, 34569, 64629, 80109, 103707, 165163, 193887, 311121, 495489, 581661, 1486467, 4459401, 13378203]

約数ペア:

[(1, 13378203), (3, 4459401), (9, 1486467), (23, 581661), (27, 495489), (43, 311121), (69, 193887), (81, 165163), (129, 103707), (167, 80109), (207, 64629), (387, 34569), (501, 26703), (621, 21543), (989, 13527), (1161, 11523), (1503, 8901), (1863, 7181), (2967, 4509), (3483, 3841)]