28537845

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{947}}^1$

素因数の和:1010

約数の個数: 48

約数和(自身を含む): 54468288

約数和(自身を除く): 25930443

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 49, 105, 123, 147, 205, 245, 287, 615, 735, 861, 947, 1435, 2009, 2841, 4305, 4735, 6027, 6629, 10045, 14205, 19887, 30135, 33145, 38827, 46403, 99435, 116481, 139209, 194135, 232015, 271789, 582405, 696045, 815367, 1358945, 1902523, 4076835, 5707569, 9512615, 28537845]

約数ペア:

[(1, 28537845), (3, 9512615), (5, 5707569), (7, 4076835), (15, 1902523), (21, 1358945), (35, 815367), (41, 696045), (49, 582405), (105, 271789), (123, 232015), (147, 194135), (205, 139209), (245, 116481), (287, 99435), (615, 46403), (735, 38827), (861, 33145), (947, 30135), (1435, 19887), (2009, 14205), (2841, 10045), (4305, 6629), (4735, 6027)]