81517755

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{15937}}^1$

素因数の和:15987

約数の個数: 32

約数和(自身を含む): 146884608

約数和(自身を除く): 65366853

約数列:

[1, 3, 5, 11, 15, 31, 33, 55, 93, 155, 165, 341, 465, 1023, 1705, 5115, 15937, 47811, 79685, 175307, 239055, 494047, 525921, 876535, 1482141, 2470235, 2629605, 5434517, 7410705, 16303551, 27172585, 81517755]

約数ペア:

[(1, 81517755), (3, 27172585), (5, 16303551), (11, 7410705), (15, 5434517), (31, 2629605), (33, 2470235), (55, 1482141), (93, 876535), (155, 525921), (165, 494047), (341, 239055), (465, 175307), (1023, 79685), (1705, 47811), (5115, 15937)]