1640697831

素因数分解:

$3^2\times {\mathrm{191}}^1\times {\mathrm{641}}^1\times {\mathrm{1489}}^1$

素因数の和:2327

約数の個数: 24

約数和(自身を含む): 2387623680

約数和(自身を除く): 746925849

約数列:

[1, 3, 9, 191, 573, 641, 1489, 1719, 1923, 4467, 5769, 13401, 122431, 284399, 367293, 853197, 954449, 1101879, 2559591, 2863347, 8590041, 182299759, 546899277, 1640697831]

約数ペア:

[(1, 1640697831), (3, 546899277), (9, 182299759), (191, 8590041), (573, 2863347), (641, 2559591), (1489, 1101879), (1719, 954449), (1923, 853197), (4467, 367293), (5769, 284399), (13401, 122431)]