64974717

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{9013}}^1$

素因数の和:9114

約数の個数: 20

約数和(自身を含む): 98162460

約数和(自身を除く): 33187743

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 7209, 9013, 27039, 81117, 243351, 730053, 802157, 2406471, 7219413, 21658239, 64974717]

約数ペア:

[(1, 64974717), (3, 21658239), (9, 7219413), (27, 2406471), (81, 802157), (89, 730053), (267, 243351), (801, 81117), (2403, 27039), (7209, 9013)]