86771979

素因数分解:

$3^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3559}}^1$

素因数の和:3621

約数の個数: 40

約数和(自身を含む): 151627520

約数和(自身を除く): 64855541

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 81, 129, 189, 301, 387, 567, 903, 1161, 2709, 3483, 3559, 8127, 10677, 24381, 24913, 32031, 74739, 96093, 153037, 224217, 288279, 459111, 672651, 1071259, 1377333, 2017953, 3213777, 4131999, 9641331, 12395997, 28923993, 86771979]

約数ペア:

[(1, 86771979), (3, 28923993), (7, 12395997), (9, 9641331), (21, 4131999), (27, 3213777), (43, 2017953), (63, 1377333), (81, 1071259), (129, 672651), (189, 459111), (301, 288279), (387, 224217), (567, 153037), (903, 96093), (1161, 74739), (2709, 32031), (3483, 24913), (3559, 24381), (8127, 10677)]