78675681

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{577}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 123701248

約数和(自身を除く): 45025567

約数列:

[1, 3, 7, 21, 43, 129, 151, 301, 453, 577, 903, 1057, 1731, 3171, 4039, 6493, 12117, 19479, 24811, 45451, 74433, 87127, 136353, 173677, 261381, 521031, 609889, 1829667, 3746461, 11239383, 26225227, 78675681]

約数ペア:

[(1, 78675681), (3, 26225227), (7, 11239383), (21, 3746461), (43, 1829667), (129, 609889), (151, 521031), (301, 261381), (453, 173677), (577, 136353), (903, 87127), (1057, 74433), (1731, 45451), (3171, 24811), (4039, 19479), (6493, 12117)]