28563189

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{1229}}^1$

素因数の和:1420

約数の個数: 16

約数和(自身を含む): 39045120

約数和(自身を除く): 10481931

約数列:

[1, 3, 61, 127, 183, 381, 1229, 3687, 7747, 23241, 74969, 156083, 224907, 468249, 9521063, 28563189]

約数ペア:

[(1, 28563189), (3, 9521063), (61, 468249), (127, 224907), (183, 156083), (381, 74969), (1229, 23241), (3687, 7747)]