128220345

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{601}}^1$

素因数の和:1054

約数の個数: 48

約数和(自身を含む): 243419904

約数和(自身を除く): 115199559

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 431, 495, 601, 1293, 1803, 2155, 3005, 3879, 4741, 5409, 6465, 6611, 9015, 14223, 19395, 19833, 23705, 27045, 33055, 42669, 59499, 71115, 99165, 213345, 259031, 297495, 777093, 1295155, 2331279, 2849341, 3885465, 8548023, 11656395, 14246705, 25644069, 42740115, 128220345]

約数ペア:

[(1, 128220345), (3, 42740115), (5, 25644069), (9, 14246705), (11, 11656395), (15, 8548023), (33, 3885465), (45, 2849341), (55, 2331279), (99, 1295155), (165, 777093), (431, 297495), (495, 259031), (601, 213345), (1293, 99165), (1803, 71115), (2155, 59499), (3005, 42669), (3879, 33055), (4741, 27045), (5409, 23705), (6465, 19833), (6611, 19395), (9015, 14223)]