28054005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{673}}^1$

素因数の和:1085

約数の個数: 32

約数和(自身を含む): 51504384

約数和(自身を除く): 23450379

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 397, 673, 1191, 1985, 2019, 2779, 3365, 4711, 5955, 8337, 10095, 13895, 14133, 23555, 41685, 70665, 267181, 801543, 1335905, 1870267, 4007715, 5610801, 9351335, 28054005]

約数ペア:

[(1, 28054005), (3, 9351335), (5, 5610801), (7, 4007715), (15, 1870267), (21, 1335905), (35, 801543), (105, 267181), (397, 70665), (673, 41685), (1191, 23555), (1985, 14133), (2019, 13895), (2779, 10095), (3365, 8337), (4711, 5955)]