28891323

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{7589}}^1$

素因数の和:7648

約数の個数: 20

約数和(自身を含む): 44082720

約数和(自身を除く): 15191397

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 7589, 22767, 68301, 204903, 356683, 614709, 1070049, 3210147, 9630441, 28891323]

約数ペア:

[(1, 28891323), (3, 9630441), (9, 3210147), (27, 1070049), (47, 614709), (81, 356683), (141, 204903), (423, 68301), (1269, 22767), (3807, 7589)]