28505889

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{883}}^1$

素因数の和:1117

約数の個数: 24

約数和(自身を含む): 43853472

約数和(自身を除く): 15347583

約数列:

[1, 3, 9, 17, 51, 153, 211, 633, 883, 1899, 2649, 3587, 7947, 10761, 15011, 32283, 45033, 135099, 186313, 558939, 1676817, 3167321, 9501963, 28505889]

約数ペア:

[(1, 28505889), (3, 9501963), (9, 3167321), (17, 1676817), (51, 558939), (153, 186313), (211, 135099), (633, 45033), (883, 32283), (1899, 15011), (2649, 10761), (3587, 7947)]