81175221

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{2749}}^1$

素因数の和:2965

約数の個数: 24

約数和(自身を含む): 124839000

約数和(自身を除く): 43663779

約数列:

[1, 3, 9, 17, 51, 153, 193, 579, 1737, 2749, 3281, 8247, 9843, 24741, 29529, 46733, 140199, 420597, 530557, 1591671, 4775013, 9019469, 27058407, 81175221]

約数ペア:

[(1, 81175221), (3, 27058407), (9, 9019469), (17, 4775013), (51, 1591671), (153, 530557), (193, 420597), (579, 140199), (1737, 46733), (2749, 29529), (3281, 24741), (8247, 9843)]