81538431

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{19181}}^1$

素因数の和:19306

約数の個数: 16

約数和(自身を含む): 118161120

約数和(自身を除く): 36622689

約数列:

[1, 3, 13, 39, 109, 327, 1417, 4251, 19181, 57543, 249353, 748059, 2090729, 6272187, 27179477, 81538431]

約数ペア:

[(1, 81538431), (3, 27179477), (13, 6272187), (39, 2090729), (109, 748059), (327, 249353), (1417, 57543), (4251, 19181)]