28367129

素因数分解:

$7^3\times {\mathrm{191}}^1\times {\mathrm{433}}^1$

素因数の和:645

約数の個数: 16

約数和(自身を含む): 33331200

約数和(自身を除く): 4964071

約数列:

[1, 7, 49, 191, 343, 433, 1337, 3031, 9359, 21217, 65513, 82703, 148519, 578921, 4052447, 28367129]

約数ペア:

[(1, 28367129), (7, 4052447), (49, 578921), (191, 148519), (343, 82703), (433, 65513), (1337, 21217), (3031, 9359)]