31109913

素因数分解:

$3^4\times {\mathrm{239}}^1\times {\mathrm{1607}}^1$

素因数の和:1858

約数の個数: 20

約数和(自身を含む): 46696320

約数和(自身を除く): 15586407

約数列:

[1, 3, 9, 27, 81, 239, 717, 1607, 2151, 4821, 6453, 14463, 19359, 43389, 130167, 384073, 1152219, 3456657, 10369971, 31109913]

約数ペア:

[(1, 31109913), (3, 10369971), (9, 3456657), (27, 1152219), (81, 384073), (239, 130167), (717, 43389), (1607, 19359), (2151, 14463), (4821, 6453)]