28422807

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{20201}}^1$

素因数の和:20278

約数の個数: 16

約数和(自身を含む): 43959552

約数和(自身を除く): 15536745

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 20201, 60603, 141407, 424221, 1353467, 4060401, 9474269, 28422807]

約数ペア:

[(1, 28422807), (3, 9474269), (7, 4060401), (21, 1353467), (67, 424221), (201, 141407), (469, 60603), (1407, 20201)]