1319031

素因数分解:

$3^3\times 7^2\times {\mathrm{997}}^1$

素因数の和:1020

約数の個数: 24

約数和(自身を含む): 2275440

約数和(自身を除く): 956409

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 997, 1323, 2991, 6979, 8973, 20937, 26919, 48853, 62811, 146559, 188433, 439677, 1319031]

約数ペア:

[(1, 1319031), (3, 439677), (7, 188433), (9, 146559), (21, 62811), (27, 48853), (49, 26919), (63, 20937), (147, 8973), (189, 6979), (441, 2991), (997, 1323)]