51335613

素因数分解:

$3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2447}}^1$

素因数の和:2503

約数の個数: 40

約数和(自身を含む): 90047232

約数和(自身を除く): 38711619

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 81, 111, 189, 259, 333, 567, 777, 999, 2331, 2447, 2997, 6993, 7341, 17129, 20979, 22023, 51387, 66069, 90539, 154161, 198207, 271617, 462483, 633773, 814851, 1387449, 1901319, 2444553, 5703957, 7333659, 17111871, 51335613]

約数ペア:

[(1, 51335613), (3, 17111871), (7, 7333659), (9, 5703957), (21, 2444553), (27, 1901319), (37, 1387449), (63, 814851), (81, 633773), (111, 462483), (189, 271617), (259, 198207), (333, 154161), (567, 90539), (777, 66069), (999, 51387), (2331, 22023), (2447, 20979), (2997, 17129), (6993, 7341)]