81495183

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{499}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 139536000

約数和(自身を除く): 58040817

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 101, 147, 231, 303, 499, 539, 707, 1111, 1497, 1617, 2121, 3333, 3493, 4949, 5489, 7777, 10479, 14847, 16467, 23331, 24451, 38423, 50399, 54439, 73353, 115269, 151197, 163317, 268961, 352793, 554389, 806883, 1058379, 1663167, 2469551, 3880723, 7408653, 11642169, 27165061, 81495183]

約数ペア:

[(1, 81495183), (3, 27165061), (7, 11642169), (11, 7408653), (21, 3880723), (33, 2469551), (49, 1663167), (77, 1058379), (101, 806883), (147, 554389), (231, 352793), (303, 268961), (499, 163317), (539, 151197), (707, 115269), (1111, 73353), (1497, 54439), (1617, 50399), (2121, 38423), (3333, 24451), (3493, 23331), (4949, 16467), (5489, 14847), (7777, 10479)]