209389935279

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{4091}}^1\times {\mathrm{23663}}^1$

素因数の和:27867

約数の個数: 32

約数和(自身を含む): 322260516864

約数和(自身を除く): 112870581585

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 4091, 12273, 23663, 28637, 70989, 85911, 165641, 421373, 496923, 1264119, 2437289, 2949611, 7311867, 8848833, 17061023, 51183069, 96805333, 290415999, 677637331, 2032911993, 9970949299, 29912847897, 69796645093, 209389935279]

約数ペア:

[(1, 209389935279), (3, 69796645093), (7, 29912847897), (21, 9970949299), (103, 2032911993), (309, 677637331), (721, 290415999), (2163, 96805333), (4091, 51183069), (12273, 17061023), (23663, 8848833), (28637, 7311867), (70989, 2949611), (85911, 2437289), (165641, 1264119), (421373, 496923)]