13855821

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{28687}}^1$

素因数の和:28720

約数の個数: 16

約数和(自身を含む): 22032384

約数和(自身を除く): 8176563

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 28687, 86061, 200809, 602427, 659801, 1979403, 4618607, 13855821]

約数ペア:

[(1, 13855821), (3, 4618607), (7, 1979403), (21, 659801), (23, 602427), (69, 200809), (161, 86061), (483, 28687)]