28310121

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3187}}^1$

素因数の和:3250

約数の個数: 32

約数和(自身を含む): 48967680

約数和(自身を除く): 20657559

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 329, 423, 987, 1269, 2961, 3187, 8883, 9561, 22309, 28683, 66927, 86049, 149789, 200781, 449367, 602343, 1048523, 1348101, 3145569, 4044303, 9436707, 28310121]

約数ペア:

[(1, 28310121), (3, 9436707), (7, 4044303), (9, 3145569), (21, 1348101), (27, 1048523), (47, 602343), (63, 449367), (141, 200781), (189, 149789), (329, 86049), (423, 66927), (987, 28683), (1269, 22309), (2961, 9561), (3187, 8883)]