207908109

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{43669}}^1$

素因数の和:43721

約数の個数: 18

約数和(自身を含む): 313943630

約数和(自身を除く): 106035521

約数列:

[1, 3, 9, 23, 69, 207, 529, 1587, 4761, 43669, 131007, 393021, 1004387, 3013161, 9039483, 23100901, 69302703, 207908109]

約数ペア:

[(1, 207908109), (3, 69302703), (9, 23100901), (23, 9039483), (69, 3013161), (207, 1004387), (529, 393021), (1587, 131007), (4761, 43669)]