12989457

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1609}}^1$

素因数の和:1654

約数の個数: 32

約数和(自身を含む): 21638400

約数和(自身を除く): 8648943

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 207, 299, 351, 621, 897, 1609, 2691, 4827, 8073, 14481, 20917, 37007, 43443, 62751, 111021, 188253, 333063, 481091, 564759, 999189, 1443273, 4329819, 12989457]

約数ペア:

[(1, 12989457), (3, 4329819), (9, 1443273), (13, 999189), (23, 564759), (27, 481091), (39, 333063), (69, 188253), (117, 111021), (207, 62751), (299, 43443), (351, 37007), (621, 20917), (897, 14481), (1609, 8073), (2691, 4827)]