121427181

素因数分解:

$3^4\times {\mathrm{947}}^1\times {\mathrm{1583}}^1$

素因数の和:2542

約数の個数: 20

約数和(自身を含む): 181697472

約数和(自身を除く): 60270291

約数列:

[1, 3, 9, 27, 81, 947, 1583, 2841, 4749, 8523, 14247, 25569, 42741, 76707, 128223, 1499101, 4497303, 13491909, 40475727, 121427181]

約数ペア:

[(1, 121427181), (3, 40475727), (9, 13491909), (27, 4497303), (81, 1499101), (947, 128223), (1583, 76707), (2841, 42741), (4749, 25569), (8523, 14247)]