72121491

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{26801}}^1$

素因数の和:26843

約数の個数: 24

約数和(自身を含む): 117071136

約数和(自身を除く): 44949645

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 897, 2691, 26801, 80403, 241209, 348413, 616423, 1045239, 1849269, 3135717, 5547807, 8013499, 24040497, 72121491]

約数ペア:

[(1, 72121491), (3, 24040497), (9, 8013499), (13, 5547807), (23, 3135717), (39, 1849269), (69, 1045239), (117, 616423), (207, 348413), (299, 241209), (897, 80403), (2691, 26801)]