28537677

素因数分解:

$3^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{883}}^1$

素因数の和:924

約数の個数: 48

約数和(自身を含む): 51484160

約数和(自身を除く): 22946483

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 243, 399, 513, 567, 883, 1197, 1539, 1701, 2649, 3591, 4617, 6181, 7947, 10773, 16777, 18543, 23841, 32319, 50331, 55629, 71523, 117439, 150993, 166887, 214569, 352317, 452979, 500661, 1056951, 1358937, 1501983, 3170853, 4076811, 9512559, 28537677]

約数ペア:

[(1, 28537677), (3, 9512559), (7, 4076811), (9, 3170853), (19, 1501983), (21, 1358937), (27, 1056951), (57, 500661), (63, 452979), (81, 352317), (133, 214569), (171, 166887), (189, 150993), (243, 117439), (399, 71523), (513, 55629), (567, 50331), (883, 32319), (1197, 23841), (1539, 18543), (1701, 16777), (2649, 10773), (3591, 7947), (4617, 6181)]