13640823

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{5281}}^1$

素因数の和:5335

約数の個数: 24

約数和(自身を含む): 23071776

約数和(自身を除く): 9430953

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 5281, 15843, 36967, 47529, 110901, 216521, 332703, 649563, 1515647, 1948689, 4546941, 13640823]

約数ペア:

[(1, 13640823), (3, 4546941), (7, 1948689), (9, 1515647), (21, 649563), (41, 332703), (63, 216521), (123, 110901), (287, 47529), (369, 36967), (861, 15843), (2583, 5281)]