81491487

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{1847}}^1$

素因数の和:2059

約数の個数: 32

約数和(自身を含む): 136249344

約数和(自身を除く): 54757857

約数列:

[1, 3, 7, 11, 21, 33, 77, 191, 231, 573, 1337, 1847, 2101, 4011, 5541, 6303, 12929, 14707, 20317, 38787, 44121, 60951, 142219, 352777, 426657, 1058331, 2469439, 3880547, 7408317, 11641641, 27163829, 81491487]

約数ペア:

[(1, 81491487), (3, 27163829), (7, 11641641), (11, 7408317), (21, 3880547), (33, 2469439), (77, 1058331), (191, 426657), (231, 352777), (573, 142219), (1337, 60951), (1847, 44121), (2101, 38787), (4011, 20317), (5541, 14707), (6303, 12929)]