28118907

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{8467}}^1$

素因数の和:8520

約数の個数: 20

約数和(自身を含む): 43034376

約数和(自身を除く): 14915469

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 8467, 25401, 76203, 228609, 347147, 685827, 1041441, 3124323, 9372969, 28118907]

約数ペア:

[(1, 28118907), (3, 9372969), (9, 3124323), (27, 1041441), (41, 685827), (81, 347147), (123, 228609), (369, 76203), (1107, 25401), (3321, 8467)]