1904385

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{2591}}^1$

素因数の和:2613

約数の個数: 24

約数和(自身を含む): 3545856

約数和(自身を除く): 1641471

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 2591, 7773, 12955, 18137, 38865, 54411, 90685, 126959, 272055, 380877, 634795, 1904385]

約数ペア:

[(1, 1904385), (3, 634795), (5, 380877), (7, 272055), (15, 126959), (21, 90685), (35, 54411), (49, 38865), (105, 18137), (147, 12955), (245, 7773), (735, 2591)]