28327755

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1187}}^1$

素因数の和:1275

約数の個数: 32

約数和(自身を含む): 47672064

約数和(自身を除く): 19344309

約数列:

[1, 3, 5, 15, 37, 43, 111, 129, 185, 215, 555, 645, 1187, 1591, 3561, 4773, 5935, 7955, 17805, 23865, 43919, 51041, 131757, 153123, 219595, 255205, 658785, 765615, 1888517, 5665551, 9442585, 28327755]

約数ペア:

[(1, 28327755), (3, 9442585), (5, 5665551), (15, 1888517), (37, 765615), (43, 658785), (111, 255205), (129, 219595), (185, 153123), (215, 131757), (555, 51041), (645, 43919), (1187, 23865), (1591, 17805), (3561, 7955), (4773, 5935)]