78891003

素因数分解:

$3^4\times {\mathrm{127}}^1\times {\mathrm{7669}}^1$

素因数の和:7808

約数の個数: 20

約数和(自身を含む): 118792960

約数和(自身を除く): 39901957

約数列:

[1, 3, 9, 27, 81, 127, 381, 1143, 3429, 7669, 10287, 23007, 69021, 207063, 621189, 973963, 2921889, 8765667, 26297001, 78891003]

約数ペア:

[(1, 78891003), (3, 26297001), (9, 8765667), (27, 2921889), (81, 973963), (127, 621189), (381, 207063), (1143, 69021), (3429, 23007), (7669, 10287)]