28439937

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1117}}^1$

素因数の和:1190

約数の個数: 32

約数和(自身を含む): 45077760

約数和(自身を除く): 16637823

約数列:

[1, 3, 9, 23, 27, 41, 69, 123, 207, 369, 621, 943, 1107, 1117, 2829, 3351, 8487, 10053, 25461, 25691, 30159, 45797, 77073, 137391, 231219, 412173, 693657, 1053331, 1236519, 3159993, 9479979, 28439937]

約数ペア:

[(1, 28439937), (3, 9479979), (9, 3159993), (23, 1236519), (27, 1053331), (41, 693657), (69, 412173), (123, 231219), (207, 137391), (369, 77073), (621, 45797), (943, 30159), (1107, 25691), (1117, 25461), (2829, 10053), (3351, 8487)]