16953993

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8681}}^1$

素因数の和:8725

約数の個数: 24

約数和(自身を含む): 28893696

約数和(自身を除く): 11939703

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 8681, 26043, 60767, 78129, 182301, 269111, 546903, 807333, 1883777, 2421999, 5651331, 16953993]

約数ペア:

[(1, 16953993), (3, 5651331), (7, 2421999), (9, 1883777), (21, 807333), (31, 546903), (63, 269111), (93, 182301), (217, 78129), (279, 60767), (651, 26043), (1953, 8681)]