81328572

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{173779}}^1$

素因数の和:173802

約数の個数: 36

約数和(自身を含む): 221395720

約数和(自身を除く): 140067148

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 173779, 347558, 521337, 695116, 1042674, 1564011, 2085348, 2259127, 3128022, 4518254, 6256044, 6777381, 9036508, 13554762, 20332143, 27109524, 40664286, 81328572]

約数ペア:

[(1, 81328572), (2, 40664286), (3, 27109524), (4, 20332143), (6, 13554762), (9, 9036508), (12, 6777381), (13, 6256044), (18, 4518254), (26, 3128022), (36, 2259127), (39, 2085348), (52, 1564011), (78, 1042674), (117, 695116), (156, 521337), (234, 347558), (468, 173779)]