81619146

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{647771}}^1$

素因数の和:647786

約数の個数: 24

約数和(自身を含む): 202104864

約数和(自身を除く): 120485718

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 647771, 1295542, 1943313, 3886626, 4534397, 5829939, 9068794, 11659878, 13603191, 27206382, 40809573, 81619146]

約数ペア:

[(1, 81619146), (2, 40809573), (3, 27206382), (6, 13603191), (7, 11659878), (9, 9068794), (14, 5829939), (18, 4534397), (21, 3886626), (42, 1943313), (63, 1295542), (126, 647771)]