40781313

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{5657}}^1$

素因数の和:5758

約数の個数: 20

約数和(自身を含む): 61615620

約数和(自身を除く): 20834307

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 5657, 7209, 16971, 50913, 152739, 458217, 503473, 1510419, 4531257, 13593771, 40781313]

約数ペア:

[(1, 40781313), (3, 13593771), (9, 4531257), (27, 1510419), (81, 503473), (89, 458217), (267, 152739), (801, 50913), (2403, 16971), (5657, 7209)]