81209849

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{8269}}^1$

素因数の和:8360

約数の個数: 16

約数和(自身を含む): 98446080

約数和(自身を除く): 17236231

約数列:

[1, 7, 23, 61, 161, 427, 1403, 8269, 9821, 57883, 190187, 504409, 1331309, 3530863, 11601407, 81209849]

約数ペア:

[(1, 81209849), (7, 11601407), (23, 3530863), (61, 1331309), (161, 504409), (427, 190187), (1403, 57883), (8269, 9821)]