215819905

素因数分解:

$5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{26927}}^1$

素因数の和:27168

約数の個数: 16

約数和(自身を含む): 297285120

約数和(自身を除く): 81465215

約数列:

[1, 5, 7, 35, 229, 1145, 1603, 8015, 26927, 134635, 188489, 942445, 6166283, 30831415, 43163981, 215819905]

約数ペア:

[(1, 215819905), (5, 43163981), (7, 30831415), (35, 6166283), (229, 942445), (1145, 188489), (1603, 134635), (8015, 26927)]