72781578

素因数分解:

$2^1\times 3^4\times {\mathrm{449269}}^1$

素因数の和:449283

約数の個数: 20

約数和(自身を含む): 163085010

約数和(自身を除く): 90303432

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 449269, 898538, 1347807, 2695614, 4043421, 8086842, 12130263, 24260526, 36390789, 72781578]

約数ペア:

[(1, 72781578), (2, 36390789), (3, 24260526), (6, 12130263), (9, 8086842), (18, 4043421), (27, 2695614), (54, 1347807), (81, 898538), (162, 449269)]