80339931

素因数分解:

$3^5\times 7^1\times {\mathrm{73}}^1\times {\mathrm{647}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 139636224

約数和(自身を除く): 59296293

約数列:

[1, 3, 7, 9, 21, 27, 63, 73, 81, 189, 219, 243, 511, 567, 647, 657, 1533, 1701, 1941, 1971, 4529, 4599, 5823, 5913, 13587, 13797, 17469, 17739, 40761, 41391, 47231, 52407, 122283, 124173, 141693, 157221, 330617, 366849, 425079, 991851, 1100547, 1275237, 2975553, 3825711, 8926659, 11477133, 26779977, 80339931]

約数ペア:

[(1, 80339931), (3, 26779977), (7, 11477133), (9, 8926659), (21, 3825711), (27, 2975553), (63, 1275237), (73, 1100547), (81, 991851), (189, 425079), (219, 366849), (243, 330617), (511, 157221), (567, 141693), (647, 124173), (657, 122283), (1533, 52407), (1701, 47231), (1941, 41391), (1971, 40761), (4529, 17739), (4599, 17469), (5823, 13797), (5913, 13587)]