81937457

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{347}}^1$

素因数の和:501

約数の個数: 24

約数和(自身を含む): 98386560

約数和(自身を除く): 16449103

約数列:

[1, 7, 49, 61, 79, 347, 427, 553, 2429, 2989, 3871, 4819, 17003, 21167, 27413, 33733, 148169, 191891, 236131, 1037183, 1343237, 1672193, 11705351, 81937457]

約数ペア:

[(1, 81937457), (7, 11705351), (49, 1672193), (61, 1343237), (79, 1037183), (347, 236131), (427, 191891), (553, 148169), (2429, 33733), (2989, 27413), (3871, 21167), (4819, 17003)]