1661499

素因数分解:

$3^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:224

約数の個数: 32

約数和(自身を含む): 2880000

約数和(自身を除く): 1218501

約数列:

[1, 3, 7, 9, 21, 27, 59, 63, 149, 177, 189, 413, 447, 531, 1043, 1239, 1341, 1593, 3129, 3717, 4023, 8791, 9387, 11151, 26373, 28161, 61537, 79119, 184611, 237357, 553833, 1661499]

約数ペア:

[(1, 1661499), (3, 553833), (7, 237357), (9, 184611), (21, 79119), (27, 61537), (59, 28161), (63, 26373), (149, 11151), (177, 9387), (189, 8791), (413, 4023), (447, 3717), (531, 3129), (1043, 1593), (1239, 1341)]