81618327

素因数分解:

$3^3\times 7^1\times {\mathrm{277}}^1\times {\mathrm{1559}}^1$

素因数の和:1852

約数の個数: 32

約数和(自身を含む): 138777600

約数和(自身を除く): 57159273

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 277, 831, 1559, 1939, 2493, 4677, 5817, 7479, 10913, 14031, 17451, 32739, 42093, 52353, 98217, 294651, 431843, 1295529, 3022901, 3886587, 9068703, 11659761, 27206109, 81618327]

約数ペア:

[(1, 81618327), (3, 27206109), (7, 11659761), (9, 9068703), (21, 3886587), (27, 3022901), (63, 1295529), (189, 431843), (277, 294651), (831, 98217), (1559, 52353), (1939, 42093), (2493, 32739), (4677, 17451), (5817, 14031), (7479, 10913)]