77721255

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{25031}}^1$

素因数の和:25068

約数の個数: 32

約数和(自身を含む): 144184320

約数和(自身を除く): 66463065

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 25031, 75093, 125155, 225279, 375465, 575713, 675837, 1126395, 1727139, 2878565, 3379185, 5181417, 8635695, 15544251, 25907085, 77721255]

約数ペア:

[(1, 77721255), (3, 25907085), (5, 15544251), (9, 8635695), (15, 5181417), (23, 3379185), (27, 2878565), (45, 1727139), (69, 1126395), (115, 675837), (135, 575713), (207, 375465), (345, 225279), (621, 125155), (1035, 75093), (3105, 25031)]