81806814

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{65867}}^1$

素因数の和:65901

約数の個数: 32

約数和(自身を含む): 189699840

約数和(自身を除く): 107893026

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 621, 1242, 65867, 131734, 197601, 395202, 592803, 1185606, 1514941, 1778409, 3029882, 3556818, 4544823, 9089646, 13634469, 27268938, 40903407, 81806814]

約数ペア:

[(1, 81806814), (2, 40903407), (3, 27268938), (6, 13634469), (9, 9089646), (18, 4544823), (23, 3556818), (27, 3029882), (46, 1778409), (54, 1514941), (69, 1185606), (138, 592803), (207, 395202), (414, 197601), (621, 131734), (1242, 65867)]