8021385

素因数分解:

$3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{449}}^1$

素因数の和:857

約数の個数: 24

約数和(自身を含む): 13969800

約数和(自身を除く): 5948415

約数列:

[1, 3, 5, 9, 15, 45, 397, 449, 1191, 1347, 1985, 2245, 3573, 4041, 5955, 6735, 17865, 20205, 178253, 534759, 891265, 1604277, 2673795, 8021385]

約数ペア:

[(1, 8021385), (3, 2673795), (5, 1604277), (9, 891265), (15, 534759), (45, 178253), (397, 20205), (449, 17865), (1191, 6735), (1347, 5955), (1985, 4041), (2245, 3573)]