31664439

素因数分解:

$3^4\times {\mathrm{223}}^1\times {\mathrm{1753}}^1$

素因数の和:1988

約数の個数: 20

約数和(自身を含む): 47540416

約数和(自身を除く): 15875977

約数列:

[1, 3, 9, 27, 81, 223, 669, 1753, 2007, 5259, 6021, 15777, 18063, 47331, 141993, 390919, 1172757, 3518271, 10554813, 31664439]

約数ペア:

[(1, 31664439), (3, 10554813), (9, 3518271), (27, 1172757), (81, 390919), (223, 141993), (669, 47331), (1753, 18063), (2007, 15777), (5259, 6021)]