81506403

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{5923}}^1$

素因数の和:6079

約数の個数: 24

約数和(自身を含む): 129380160

約数和(自身を除く): 47873757

約数列:

[1, 3, 9, 11, 33, 99, 139, 417, 1251, 1529, 4587, 5923, 13761, 17769, 53307, 65153, 195459, 586377, 823297, 2469891, 7409673, 9056267, 27168801, 81506403]

約数ペア:

[(1, 81506403), (3, 27168801), (9, 9056267), (11, 7409673), (33, 2469891), (99, 823297), (139, 586377), (417, 195459), (1251, 65153), (1529, 53307), (4587, 17769), (5923, 13761)]