156989352879

素因数分解:

$3^4\times {\mathrm{6971}}^1\times {\mathrm{278029}}^1$

素因数の和:285012

約数の個数: 20

約数和(自身を含む): 234549444360

約数和(自身を除く): 77560091481

約数列:

[1, 3, 9, 27, 81, 6971, 20913, 62739, 188217, 278029, 564651, 834087, 2502261, 7506783, 22520349, 1938140159, 5814420477, 17443261431, 52329784293, 156989352879]

約数ペア:

[(1, 156989352879), (3, 52329784293), (9, 17443261431), (27, 5814420477), (81, 1938140159), (6971, 22520349), (20913, 7506783), (62739, 2502261), (188217, 834087), (278029, 564651)]