28568199

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 42923520

約数和(自身を除く): 14355321

約数列:

[1, 3, 11, 33, 71, 89, 137, 213, 267, 411, 781, 979, 1507, 2343, 2937, 4521, 6319, 9727, 12193, 18957, 29181, 36579, 69509, 106997, 134123, 208527, 320991, 402369, 865703, 2597109, 9522733, 28568199]

約数ペア:

[(1, 28568199), (3, 9522733), (11, 2597109), (33, 865703), (71, 402369), (89, 320991), (137, 208527), (213, 134123), (267, 106997), (411, 69509), (781, 36579), (979, 29181), (1507, 18957), (2343, 12193), (2937, 9727), (4521, 6319)]