28037385

素因数分解:

$3^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1487}}^1$

素因数の和:1917

約数の個数: 24

約数和(自身を含む): 48746880

約数和(自身を除く): 20709495

約数列:

[1, 3, 5, 9, 15, 45, 419, 1257, 1487, 2095, 3771, 4461, 6285, 7435, 13383, 18855, 22305, 66915, 623053, 1869159, 3115265, 5607477, 9345795, 28037385]

約数ペア:

[(1, 28037385), (3, 9345795), (5, 5607477), (9, 3115265), (15, 1869159), (45, 623053), (419, 66915), (1257, 22305), (1487, 18855), (2095, 13383), (3771, 7435), (4461, 6285)]