809968491

素因数分解:

$3^4\times {\mathrm{1439}}^1\times {\mathrm{6949}}^1$

素因数の和:8400

約数の個数: 20

約数和(自身を含む): 1210968000

約数和(自身を除く): 400999509

約数列:

[1, 3, 9, 27, 81, 1439, 4317, 6949, 12951, 20847, 38853, 62541, 116559, 187623, 562869, 9999611, 29998833, 89996499, 269989497, 809968491]

約数ペア:

[(1, 809968491), (3, 269989497), (9, 89996499), (27, 29998833), (81, 9999611), (1439, 562869), (4317, 187623), (6949, 116559), (12951, 62541), (20847, 38853)]