201990627081

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{9497843}}^1$

素因数の和:9498005

約数の個数: 24

約数和(自身を含む): 311149369440

約数和(自身を除く): 109158742359

約数列:

[1, 3, 9, 17, 51, 139, 153, 417, 1251, 2363, 7089, 21267, 9497843, 28493529, 85480587, 161463331, 484389993, 1320200177, 1453169979, 3960600531, 11881801593, 22443403009, 67330209027, 201990627081]

約数ペア:

[(1, 201990627081), (3, 67330209027), (9, 22443403009), (17, 11881801593), (51, 3960600531), (139, 1453169979), (153, 1320200177), (417, 484389993), (1251, 161463331), (2363, 85480587), (7089, 28493529), (21267, 9497843)]