155813139

素因数分解:

$3^4\times {\mathrm{269}}^1\times {\mathrm{7151}}^1$

素因数の和:7432

約数の個数: 20

約数和(自身を含む): 233655840

約数和(自身を除く): 77842701

約数列:

[1, 3, 9, 27, 81, 269, 807, 2421, 7151, 7263, 21453, 21789, 64359, 193077, 579231, 1923619, 5770857, 17312571, 51937713, 155813139]

約数ペア:

[(1, 155813139), (3, 51937713), (9, 17312571), (27, 5770857), (81, 1923619), (269, 579231), (807, 193077), (2421, 64359), (7151, 21789), (7263, 21453)]