81305181

素因数分解:

$3^3\times {\mathrm{491}}^1\times {\mathrm{6133}}^1$

素因数の和:6633

約数の個数: 16

約数和(自身を含む): 120717120

約数和(自身を除く): 39411939

約数列:

[1, 3, 9, 27, 491, 1473, 4419, 6133, 13257, 18399, 55197, 165591, 3011303, 9033909, 27101727, 81305181]

約数ペア:

[(1, 81305181), (3, 27101727), (9, 9033909), (27, 3011303), (491, 165591), (1473, 55197), (4419, 18399), (6133, 13257)]