127921113

素因数分解:

$3^4\times {\mathrm{241}}^1\times {\mathrm{6553}}^1$

素因数の和:6806

約数の個数: 20

約数和(自身を含む): 191914228

約数和(自身を除く): 63993115

約数列:

[1, 3, 9, 27, 81, 241, 723, 2169, 6507, 6553, 19521, 19659, 58977, 176931, 530793, 1579273, 4737819, 14213457, 42640371, 127921113]

約数ペア:

[(1, 127921113), (3, 42640371), (9, 14213457), (27, 4737819), (81, 1579273), (241, 530793), (723, 176931), (2169, 58977), (6507, 19659), (6553, 19521)]