31938867

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{20753}}^1$

素因数の和:20784

約数の個数: 20

約数和(自身を含む): 50224680

約数和(自身を除く): 18285813

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 20753, 62259, 186777, 394307, 560331, 1182921, 1680993, 3548763, 10646289, 31938867]

約数ペア:

[(1, 31938867), (3, 10646289), (9, 3548763), (19, 1680993), (27, 1182921), (57, 560331), (81, 394307), (171, 186777), (513, 62259), (1539, 20753)]