13210047

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{2297}}^1$

素因数の和:2380

約数の個数: 20

約数和(自身を含む): 20020176

約数和(自身を除く): 6810129

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 2297, 5751, 6891, 20673, 62019, 163087, 186057, 489261, 1467783, 4403349, 13210047]

約数ペア:

[(1, 13210047), (3, 4403349), (9, 1467783), (27, 489261), (71, 186057), (81, 163087), (213, 62019), (639, 20673), (1917, 6891), (2297, 5751)]