216906309

素因数分解:

$3^3\times {\mathrm{601}}^1\times {\mathrm{13367}}^1$

素因数の和:13977

約数の個数: 16

約数和(自身を含む): 321901440

約数和(自身を除く): 104995131

約数列:

[1, 3, 9, 27, 601, 1803, 5409, 13367, 16227, 40101, 120303, 360909, 8033567, 24100701, 72302103, 216906309]

約数ペア:

[(1, 216906309), (3, 72302103), (9, 24100701), (27, 8033567), (601, 360909), (1803, 120303), (5409, 40101), (13367, 16227)]