128554857

素因数分解:

$3^4\times {\mathrm{563}}^1\times {\mathrm{2819}}^1$

素因数の和:3394

約数の個数: 20

約数和(自身を含む): 192448080

約数和(自身を除く): 63893223

約数列:

[1, 3, 9, 27, 81, 563, 1689, 2819, 5067, 8457, 15201, 25371, 45603, 76113, 228339, 1587097, 4761291, 14283873, 42851619, 128554857]

約数ペア:

[(1, 128554857), (3, 42851619), (9, 14283873), (27, 4761291), (81, 1587097), (563, 228339), (1689, 76113), (2819, 45603), (5067, 25371), (8457, 15201)]