31413987

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{35257}}^1$

素因数の和:35280

約数の個数: 20

約数和(自身を含む): 51194616

約数和(自身を除く): 19780629

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 35257, 105771, 317313, 387827, 951939, 1163481, 2855817, 3490443, 10471329, 31413987]

約数ペア:

[(1, 31413987), (3, 10471329), (9, 3490443), (11, 2855817), (27, 1163481), (33, 951939), (81, 387827), (99, 317313), (297, 105771), (891, 35257)]