156780387

素因数分解:

$3^3\times {\mathrm{311}}^1\times {\mathrm{18671}}^1$

素因数の和:18991

約数の個数: 16

約数和(自身を含む): 233026560

約数和(自身を除く): 76246173

約数列:

[1, 3, 9, 27, 311, 933, 2799, 8397, 18671, 56013, 168039, 504117, 5806681, 17420043, 52260129, 156780387]

約数ペア:

[(1, 156780387), (3, 52260129), (9, 17420043), (27, 5806681), (311, 504117), (933, 168039), (2799, 56013), (8397, 18671)]