28037247

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{509}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 44520960

約数和(自身を除く): 16483713

約数列:

[1, 3, 7, 21, 43, 61, 129, 183, 301, 427, 509, 903, 1281, 1527, 2623, 3563, 7869, 10689, 18361, 21887, 31049, 55083, 65661, 93147, 153209, 217343, 459627, 652029, 1335107, 4005321, 9345749, 28037247]

約数ペア:

[(1, 28037247), (3, 9345749), (7, 4005321), (21, 1335107), (43, 652029), (61, 459627), (129, 217343), (183, 153209), (301, 93147), (427, 65661), (509, 55083), (903, 31049), (1281, 21887), (1527, 18361), (2623, 10689), (3563, 7869)]