86945481

素因数分解:

$3^4\times 7^1\times {\mathrm{153343}}^1$

素因数の和:153362

約数の個数: 20

約数和(自身を含む): 148436992

約数和(自身を除く): 61491511

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 153343, 460029, 1073401, 1380087, 3220203, 4140261, 9660609, 12420783, 28981827, 86945481]

約数ペア:

[(1, 86945481), (3, 28981827), (7, 12420783), (9, 9660609), (21, 4140261), (27, 3220203), (63, 1380087), (81, 1073401), (189, 460029), (567, 153343)]