9991593

素因数分解:

$3^4\times {\mathrm{293}}^1\times {\mathrm{421}}^1$

素因数の和:726

約数の個数: 20

約数和(自身を含む): 15012228

約数和(自身を除く): 5020635

約数列:

[1, 3, 9, 27, 81, 293, 421, 879, 1263, 2637, 3789, 7911, 11367, 23733, 34101, 123353, 370059, 1110177, 3330531, 9991593]

約数ペア:

[(1, 9991593), (3, 3330531), (9, 1110177), (27, 370059), (81, 123353), (293, 34101), (421, 23733), (879, 11367), (1263, 7911), (2637, 3789)]