18481797

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:422

約数の個数: 32

約数和(自身を含む): 28753920

約数和(自身を除く): 10272123

約数列:

[1, 3, 9, 27, 31, 71, 93, 213, 279, 311, 639, 837, 933, 1917, 2201, 2799, 6603, 8397, 9641, 19809, 22081, 28923, 59427, 66243, 86769, 198729, 260307, 596187, 684511, 2053533, 6160599, 18481797]

約数ペア:

[(1, 18481797), (3, 6160599), (9, 2053533), (27, 684511), (31, 596187), (71, 260307), (93, 198729), (213, 86769), (279, 66243), (311, 59427), (639, 28923), (837, 22081), (933, 19809), (1917, 9641), (2201, 8397), (2799, 6603)]