16357887

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19973}}^1$

素因数の和:19999

約数の個数: 24

約数和(自身を含む): 29082144

約数和(自身を除く): 12724257

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 19973, 59919, 139811, 179757, 259649, 419433, 778947, 1258299, 1817543, 2336841, 5452629, 16357887]

約数ペア:

[(1, 16357887), (3, 5452629), (7, 2336841), (9, 1817543), (13, 1258299), (21, 778947), (39, 419433), (63, 259649), (91, 179757), (117, 139811), (273, 59919), (819, 19973)]