81165159

素因数分解:

$3^5\times {\mathrm{211}}^1\times {\mathrm{1583}}^1$

素因数の和:1809

約数の個数: 24

約数和(自身を含む): 122234112

約数和(自身を除く): 41068953

約数列:

[1, 3, 9, 27, 81, 211, 243, 633, 1583, 1899, 4749, 5697, 14247, 17091, 42741, 51273, 128223, 334013, 384669, 1002039, 3006117, 9018351, 27055053, 81165159]

約数ペア:

[(1, 81165159), (3, 27055053), (9, 9018351), (27, 3006117), (81, 1002039), (211, 384669), (243, 334013), (633, 128223), (1583, 51273), (1899, 42741), (4749, 17091), (5697, 14247)]