13961815

素因数分解:

$5^1\times 7^4\times {\mathrm{1163}}^1$

素因数の和:1196

約数の個数: 20

約数和(自身を含む): 19562184

約数和(自身を除く): 5600369

約数列:

[1, 5, 7, 35, 49, 245, 343, 1163, 1715, 2401, 5815, 8141, 12005, 40705, 56987, 284935, 398909, 1994545, 2792363, 13961815]

約数ペア:

[(1, 13961815), (5, 2792363), (7, 1994545), (35, 398909), (49, 284935), (245, 56987), (343, 40705), (1163, 12005), (1715, 8141), (2401, 5815)]