917021133

素因数分解:

$3^2\times 7^4\times {\mathrm{42437}}^1$

素因数の和:42471

約数の個数: 30

約数和(自身を含む): 1545294894

約数和(自身を除く): 628273761

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 2401, 3087, 7203, 21609, 42437, 127311, 297059, 381933, 891177, 2079413, 2673531, 6238239, 14555891, 18714717, 43667673, 101891237, 131003019, 305673711, 917021133]

約数ペア:

[(1, 917021133), (3, 305673711), (7, 131003019), (9, 101891237), (21, 43667673), (49, 18714717), (63, 14555891), (147, 6238239), (343, 2673531), (441, 2079413), (1029, 891177), (2401, 381933), (3087, 297059), (7203, 127311), (21609, 42437)]