81323529

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{227797}}^1$

素因数の和:227824

約数の個数: 16

約数和(自身を含む): 131211648

約数和(自身を除く): 49888119

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 227797, 683391, 1594579, 3872549, 4783737, 11617647, 27107843, 81323529]

約数ペア:

[(1, 81323529), (3, 27107843), (7, 11617647), (17, 4783737), (21, 3872549), (51, 1594579), (119, 683391), (357, 227797)]