16884693

素因数分解:

$3^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{307}}^1$

素因数の和:423

約数の個数: 40

約数和(自身を含む): 29218112

約数和(自身を除く): 12333419

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 97, 189, 291, 307, 567, 679, 873, 921, 2037, 2149, 2619, 2763, 6111, 6447, 7857, 8289, 18333, 19341, 24867, 29779, 54999, 58023, 89337, 174069, 208453, 268011, 625359, 804033, 1876077, 2412099, 5628231, 16884693]

約数ペア:

[(1, 16884693), (3, 5628231), (7, 2412099), (9, 1876077), (21, 804033), (27, 625359), (63, 268011), (81, 208453), (97, 174069), (189, 89337), (291, 58023), (307, 54999), (567, 29779), (679, 24867), (873, 19341), (921, 18333), (2037, 8289), (2149, 7857), (2619, 6447), (2763, 6111)]