1993743

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:263

約数の個数: 24

約数和(自身を含む): 3105648

約数和(自身を除く): 1111905

約数列:

[1, 3, 9, 17, 51, 83, 153, 157, 249, 471, 747, 1411, 1413, 2669, 4233, 8007, 12699, 13031, 24021, 39093, 117279, 221527, 664581, 1993743]

約数ペア:

[(1, 1993743), (3, 664581), (9, 221527), (17, 117279), (51, 39093), (83, 24021), (153, 13031), (157, 12699), (249, 8007), (471, 4233), (747, 2669), (1411, 1413)]