17805151

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:271

約数の個数: 32

約数和(自身を含む): 23482368

約数和(自身を除く): 5677217

約数列:

[1, 7, 13, 23, 47, 91, 161, 181, 299, 329, 611, 1081, 1267, 2093, 2353, 4163, 4277, 7567, 8507, 14053, 16471, 29141, 54119, 59549, 98371, 110591, 195661, 378833, 774137, 1369627, 2543593, 17805151]

約数ペア:

[(1, 17805151), (7, 2543593), (13, 1369627), (23, 774137), (47, 378833), (91, 195661), (161, 110591), (181, 98371), (299, 59549), (329, 54119), (611, 29141), (1081, 16471), (1267, 14053), (2093, 8507), (2353, 7567), (4163, 4277)]