1257039

素因数分解:

$3^5\times 7^1\times {\mathrm{739}}^1$

素因数の和:761

約数の個数: 24

約数和(自身を含む): 2154880

約数和(自身を除く): 897841

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 739, 1701, 2217, 5173, 6651, 15519, 19953, 46557, 59859, 139671, 179577, 419013, 1257039]

約数ペア:

[(1, 1257039), (3, 419013), (7, 179577), (9, 139671), (21, 59859), (27, 46557), (63, 19953), (81, 15519), (189, 6651), (243, 5173), (567, 2217), (739, 1701)]