80821984299

素因数分解:

$3^1\times 7^2\times {\mathrm{641}}^1\times {\mathrm{857737}}^1$

素因数の和:858395

約数の個数: 24

約数和(自身を含む): 125552257488

約数和(自身を除く): 44730273189

約数列:

[1, 3, 7, 21, 49, 147, 641, 1923, 4487, 13461, 31409, 94227, 857737, 2573211, 6004159, 18012477, 42029113, 126087339, 549809417, 1649428251, 3848665919, 11545997757, 26940661433, 80821984299]

約数ペア:

[(1, 80821984299), (3, 26940661433), (7, 11545997757), (21, 3848665919), (49, 1649428251), (147, 549809417), (641, 126087339), (1923, 42029113), (4487, 18012477), (13461, 6004159), (31409, 2573211), (94227, 857737)]