27977895

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1949}}^1$

素因数の和:2000

約数の個数: 48

約数和(自身を含む): 54756000

約数和(自身を除く): 26778105

約数列:

[1, 3, 5, 9, 11, 15, 29, 33, 45, 55, 87, 99, 145, 165, 261, 319, 435, 495, 957, 1305, 1595, 1949, 2871, 4785, 5847, 9745, 14355, 17541, 21439, 29235, 56521, 64317, 87705, 107195, 169563, 192951, 282605, 321585, 508689, 621731, 847815, 964755, 1865193, 2543445, 3108655, 5595579, 9325965, 27977895]

約数ペア:

[(1, 27977895), (3, 9325965), (5, 5595579), (9, 3108655), (11, 2543445), (15, 1865193), (29, 964755), (33, 847815), (45, 621731), (55, 508689), (87, 321585), (99, 282605), (145, 192951), (165, 169563), (261, 107195), (319, 87705), (435, 64317), (495, 56521), (957, 29235), (1305, 21439), (1595, 17541), (1949, 14355), (2871, 9745), (4785, 5847)]