28070847

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7817}}^1$

素因数の和:7852

約数の個数: 32

約数和(自身を含む): 50035200

約数和(自身を除く): 21964353

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 7817, 23451, 54719, 70353, 148523, 164157, 211059, 445569, 492471, 1039661, 1336707, 1477413, 3118983, 4010121, 9356949, 28070847]

約数ペア:

[(1, 28070847), (3, 9356949), (7, 4010121), (9, 3118983), (19, 1477413), (21, 1336707), (27, 1039661), (57, 492471), (63, 445569), (133, 211059), (171, 164157), (189, 148523), (399, 70353), (513, 54719), (1197, 23451), (3591, 7817)]