81369549

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1733}}^1$

素因数の和:1826

約数の個数: 32

約数和(自身を含む): 126512640

約数和(自身を除く): 45143091

約数列:

[1, 3, 9, 27, 37, 47, 111, 141, 333, 423, 999, 1269, 1733, 1739, 5199, 5217, 15597, 15651, 46791, 46953, 64121, 81451, 192363, 244353, 577089, 733059, 1731267, 2199177, 3013687, 9041061, 27123183, 81369549]

約数ペア:

[(1, 81369549), (3, 27123183), (9, 9041061), (27, 3013687), (37, 2199177), (47, 1731267), (111, 733059), (141, 577089), (333, 244353), (423, 192363), (999, 81451), (1269, 64121), (1733, 46953), (1739, 46791), (5199, 15651), (5217, 15597)]