9899091

素因数分解:

$3^6\times {\mathrm{37}}^1\times {\mathrm{367}}^1$

素因数の和:422

約数の個数: 28

約数和(自身を含む): 15284512

約数和(自身を除く): 5385421

約数列:

[1, 3, 9, 27, 37, 81, 111, 243, 333, 367, 729, 999, 1101, 2997, 3303, 8991, 9909, 13579, 26973, 29727, 40737, 89181, 122211, 267543, 366633, 1099899, 3299697, 9899091]

約数ペア:

[(1, 9899091), (3, 3299697), (9, 1099899), (27, 366633), (37, 267543), (81, 122211), (111, 89181), (243, 40737), (333, 29727), (367, 26973), (729, 13579), (999, 9909), (1101, 8991), (2997, 3303)]