28759785

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{487}}^1$

素因数の和:653

約数の個数: 32

約数和(自身を含む): 47972352

約数和(自身を除く): 19212567

約数列:

[1, 3, 5, 15, 31, 93, 127, 155, 381, 465, 487, 635, 1461, 1905, 2435, 3937, 7305, 11811, 15097, 19685, 45291, 59055, 61849, 75485, 185547, 226455, 309245, 927735, 1917319, 5751957, 9586595, 28759785]

約数ペア:

[(1, 28759785), (3, 9586595), (5, 5751957), (15, 1917319), (31, 927735), (93, 309245), (127, 226455), (155, 185547), (381, 75485), (465, 61849), (487, 59055), (635, 45291), (1461, 19685), (1905, 15097), (2435, 11811), (3937, 7305)]