12776985

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21841}}^1$

素因数の和:21865

約数の個数: 24

約数和(自身を含む): 23851464

約数和(自身を除く): 11074479

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 21841, 65523, 109205, 196569, 283933, 327615, 851799, 982845, 1419665, 2555397, 4258995, 12776985]

約数ペア:

[(1, 12776985), (3, 4258995), (5, 2555397), (9, 1419665), (13, 982845), (15, 851799), (39, 327615), (45, 283933), (65, 196569), (117, 109205), (195, 65523), (585, 21841)]