81104721

素因数分解:

$3^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1\times {\mathrm{1697}}^1$

素因数の和:1968

約数の個数: 16

約数和(自身を含む): 110030400

約数和(自身を除く): 28925679

約数列:

[1, 3, 89, 179, 267, 537, 1697, 5091, 15931, 47793, 151033, 303763, 453099, 911289, 27034907, 81104721]

約数ペア:

[(1, 81104721), (3, 27034907), (89, 911289), (179, 453099), (267, 303763), (537, 151033), (1697, 47793), (5091, 15931)]