31603023

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:252

約数の個数: 36

約数和(自身を含む): 49213008

約数和(自身を除く): 17609985

約数列:

[1, 3, 9, 19, 57, 71, 137, 171, 213, 361, 411, 639, 1083, 1233, 1349, 2603, 3249, 4047, 7809, 9727, 12141, 23427, 25631, 29181, 49457, 76893, 87543, 148371, 184813, 230679, 445113, 554439, 1663317, 3511447, 10534341, 31603023]

約数ペア:

[(1, 31603023), (3, 10534341), (9, 3511447), (19, 1663317), (57, 554439), (71, 445113), (137, 230679), (171, 184813), (213, 148371), (361, 87543), (411, 76893), (639, 49457), (1083, 29181), (1233, 25631), (1349, 23427), (2603, 12141), (3249, 9727), (4047, 7809)]