18308673

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:239

約数の個数: 40

約数和(自身を含む): 28967400

約数和(自身を除く): 10658727

約数列:

[1, 3, 9, 27, 37, 41, 81, 111, 123, 149, 333, 369, 447, 999, 1107, 1341, 1517, 2997, 3321, 4023, 4551, 5513, 6109, 12069, 13653, 16539, 18327, 40959, 49617, 54981, 122877, 148851, 164943, 226033, 446553, 494829, 678099, 2034297, 6102891, 18308673]

約数ペア:

[(1, 18308673), (3, 6102891), (9, 2034297), (27, 678099), (37, 494829), (41, 446553), (81, 226033), (111, 164943), (123, 148851), (149, 122877), (333, 54981), (369, 49617), (447, 40959), (999, 18327), (1107, 16539), (1341, 13653), (1517, 12069), (2997, 6109), (3321, 5513), (4023, 4551)]