1315691721

素因数分解:

$3^3\times {\mathrm{271}}^1\times {\mathrm{179813}}^1$

素因数の和:180093

約数の個数: 16

約数和(自身を含む): 1956376320

約数和(自身を除く): 640684599

約数列:

[1, 3, 9, 27, 271, 813, 2439, 7317, 179813, 539439, 1618317, 4854951, 48729323, 146187969, 438563907, 1315691721]

約数ペア:

[(1, 1315691721), (3, 438563907), (9, 146187969), (27, 48729323), (271, 4854951), (813, 1618317), (2439, 539439), (7317, 179813)]