666932721

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2442977}}^1$

素因数の和:2443000

約数の個数: 16

約数和(自身を含む): 1094454144

約数和(自身を除く): 427521423

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 2442977, 7328931, 17100839, 31758701, 51302517, 95276103, 222310907, 666932721]

約数ペア:

[(1, 666932721), (3, 222310907), (7, 95276103), (13, 51302517), (21, 31758701), (39, 17100839), (91, 7328931), (273, 2442977)]