13921831

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1123}}^1$

素因数の和:1171

約数の個数: 24

約数和(自身を含む): 18451584

約数和(自身を除く): 4529753

約数列:

[1, 7, 11, 23, 49, 77, 161, 253, 539, 1123, 1127, 1771, 7861, 12353, 12397, 25829, 55027, 86471, 180803, 284119, 605297, 1265621, 1988833, 13921831]

約数ペア:

[(1, 13921831), (7, 1988833), (11, 1265621), (23, 605297), (49, 284119), (77, 180803), (161, 86471), (253, 55027), (539, 25829), (1123, 12397), (1127, 12353), (1771, 7861)]