157218621

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{4049}}^1$

素因数の和:4145

約数の個数: 24

約数和(自身を含む): 245332800

約数和(自身を除く): 88114179

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 1849, 4049, 5547, 12147, 12943, 28343, 38829, 85029, 174107, 522321, 1218749, 3656247, 7486601, 22459803, 52406207, 157218621]

約数ペア:

[(1, 157218621), (3, 52406207), (7, 22459803), (21, 7486601), (43, 3656247), (129, 1218749), (301, 522321), (903, 174107), (1849, 85029), (4049, 38829), (5547, 28343), (12147, 12943)]