2555721

素因数分解:

$3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{359}}^1$

素因数の和:485

約数の個数: 24

約数和(自身を含む): 4268160

約数和(自身を除く): 1712439

約数列:

[1, 3, 7, 9, 21, 63, 113, 339, 359, 791, 1017, 1077, 2373, 2513, 3231, 7119, 7539, 22617, 40567, 121701, 283969, 365103, 851907, 2555721]

約数ペア:

[(1, 2555721), (3, 851907), (7, 365103), (9, 283969), (21, 121701), (63, 40567), (113, 22617), (339, 7539), (359, 7119), (791, 3231), (1017, 2513), (1077, 2373)]