77857563

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{571}}^1$

素因数の和:775

約数の個数: 32

約数和(自身を含む): 122417152

約数和(自身を除く): 44559589

約数列:

[1, 3, 7, 21, 43, 129, 151, 301, 453, 571, 903, 1057, 1713, 3171, 3997, 6493, 11991, 19479, 24553, 45451, 73659, 86221, 136353, 171871, 258663, 515613, 603547, 1810641, 3707503, 11122509, 25952521, 77857563]

約数ペア:

[(1, 77857563), (3, 25952521), (7, 11122509), (21, 3707503), (43, 1810641), (129, 603547), (151, 515613), (301, 258663), (453, 171871), (571, 136353), (903, 86221), (1057, 73659), (1713, 45451), (3171, 24553), (3997, 19479), (6493, 11991)]