408333879

素因数分解:

$3^4\times {\mathrm{1607}}^1\times {\mathrm{3137}}^1$

素因数の和:4756

約数の個数: 20

約数和(自身を含む): 610554384

約数和(自身を除く): 202220505

約数列:

[1, 3, 9, 27, 81, 1607, 3137, 4821, 9411, 14463, 28233, 43389, 84699, 130167, 254097, 5041159, 15123477, 45370431, 136111293, 408333879]

約数ペア:

[(1, 408333879), (3, 136111293), (9, 45370431), (27, 15123477), (81, 5041159), (1607, 254097), (3137, 130167), (4821, 84699), (9411, 43389), (14463, 28233)]