28765515

素因数分解:

$3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{7129}}^1$

素因数の和:7406

約数の個数: 16

約数和(自身を含む): 46202400

約数和(自身を除く): 17436885

約数列:

[1, 3, 5, 15, 269, 807, 1345, 4035, 7129, 21387, 35645, 106935, 1917701, 5753103, 9588505, 28765515]

約数ペア:

[(1, 28765515), (3, 9588505), (5, 5753103), (15, 1917701), (269, 106935), (807, 35645), (1345, 21387), (4035, 7129)]