28787499

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7937}}^1$

素因数の和:7987

約数の個数: 24

約数和(自身を含む): 46230912

約数和(自身を除く): 17443413

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 279, 403, 1209, 3627, 7937, 23811, 71433, 103181, 246047, 309543, 738141, 928629, 2214423, 3198611, 9595833, 28787499]

約数ペア:

[(1, 28787499), (3, 9595833), (9, 3198611), (13, 2214423), (31, 928629), (39, 738141), (93, 309543), (117, 246047), (279, 103181), (403, 71433), (1209, 23811), (3627, 7937)]