1999647

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{211}}^1$

素因数の和:242

約数の個数: 28

約数和(自身を含む): 3244024

約数和(自身を除く): 1244377

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 211, 243, 351, 633, 729, 1053, 1899, 2743, 3159, 5697, 8229, 9477, 17091, 24687, 51273, 74061, 153819, 222183, 666549, 1999647]

約数ペア:

[(1, 1999647), (3, 666549), (9, 222183), (13, 153819), (27, 74061), (39, 51273), (81, 24687), (117, 17091), (211, 9477), (243, 8229), (351, 5697), (633, 3159), (729, 2743), (1053, 1899)]