211399389

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{70537}}^1$

素因数の和:70586

約数の個数: 20

約数和(自身を含む): 324333724

約数和(自身を除く): 112934335

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 70537, 211611, 634833, 1904499, 2609869, 5713497, 7829607, 23488821, 70466463, 211399389]

約数ペア:

[(1, 211399389), (3, 70466463), (9, 23488821), (27, 7829607), (37, 5713497), (81, 2609869), (111, 1904499), (333, 634833), (999, 211611), (2997, 70537)]