1663389

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{677}}^1$

素因数の和:706

約数の個数: 32

約数和(自身を含む): 3037440

約数和(自身を除く): 1374051

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 677, 819, 2031, 2457, 4739, 6093, 8801, 14217, 18279, 26403, 42651, 61607, 79209, 127953, 184821, 237627, 554463, 1663389]

約数ペア:

[(1, 1663389), (3, 554463), (7, 237627), (9, 184821), (13, 127953), (21, 79209), (27, 61607), (39, 42651), (63, 26403), (91, 18279), (117, 14217), (189, 8801), (273, 6093), (351, 4739), (677, 2457), (819, 2031)]