18785532381

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{81322651}}^1$

素因数の和:81322672

約数の個数: 16

約数和(自身を含む): 31227898368

約数和(自身を除く): 12442365987

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 81322651, 243967953, 569258557, 894549161, 1707775671, 2683647483, 6261844127, 18785532381]

約数ペア:

[(1, 18785532381), (3, 6261844127), (7, 2683647483), (11, 1707775671), (21, 894549161), (33, 569258557), (77, 243967953), (231, 81322651)]