89739981

素因数分解:

$3^4\times {\mathrm{181}}^1\times {\mathrm{6121}}^1$

素因数の和:6314

約数の個数: 20

約数和(自身を含む): 134818684

約数和(自身を除く): 45078703

約数列:

[1, 3, 9, 27, 81, 181, 543, 1629, 4887, 6121, 14661, 18363, 55089, 165267, 495801, 1107901, 3323703, 9971109, 29913327, 89739981]

約数ペア:

[(1, 89739981), (3, 29913327), (9, 9971109), (27, 3323703), (81, 1107901), (181, 495801), (543, 165267), (1629, 55089), (4887, 18363), (6121, 14661)]