71320473

素因数分解:

$3^3\times 7^1\times {\mathrm{353}}^1\times {\mathrm{1069}}^1$

素因数の和:1438

約数の個数: 32

約数和(自身を含む): 121209600

約数和(自身を除く): 49889127

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 353, 1059, 1069, 2471, 3177, 3207, 7413, 7483, 9531, 9621, 22239, 22449, 28863, 66717, 67347, 202041, 377357, 1132071, 2641499, 3396213, 7924497, 10188639, 23773491, 71320473]

約数ペア:

[(1, 71320473), (3, 23773491), (7, 10188639), (9, 7924497), (21, 3396213), (27, 2641499), (63, 1132071), (189, 377357), (353, 202041), (1059, 67347), (1069, 66717), (2471, 28863), (3177, 22449), (3207, 22239), (7413, 9621), (7483, 9531)]