80871966

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{213947}}^1$

素因数の和:213965

約数の個数: 32

約数和(自身を含む): 205390080

約数和(自身を除く): 124518114

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 213947, 427894, 641841, 1283682, 1497629, 1925523, 2995258, 3851046, 4492887, 5776569, 8985774, 11553138, 13478661, 26957322, 40435983, 80871966]

約数ペア:

[(1, 80871966), (2, 40435983), (3, 26957322), (6, 13478661), (7, 11553138), (9, 8985774), (14, 5776569), (18, 4492887), (21, 3851046), (27, 2995258), (42, 1925523), (54, 1497629), (63, 1283682), (126, 641841), (189, 427894), (378, 213947)]