72140397

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1123}}^1$

素因数の和:1182

約数の個数: 48

約数和(自身を含む): 123010560

約数和(自身を除く): 50870163

約数列:

[1, 3, 7, 19, 21, 23, 49, 57, 69, 133, 147, 161, 399, 437, 483, 931, 1123, 1127, 1311, 2793, 3059, 3369, 3381, 7861, 9177, 21337, 21413, 23583, 25829, 55027, 64011, 64239, 77487, 149359, 165081, 180803, 448077, 490751, 542409, 1045513, 1265621, 1472253, 3136539, 3435257, 3796863, 10305771, 24046799, 72140397]

約数ペア:

[(1, 72140397), (3, 24046799), (7, 10305771), (19, 3796863), (21, 3435257), (23, 3136539), (49, 1472253), (57, 1265621), (69, 1045513), (133, 542409), (147, 490751), (161, 448077), (399, 180803), (437, 165081), (483, 149359), (931, 77487), (1123, 64239), (1127, 64011), (1311, 55027), (2793, 25829), (3059, 23583), (3369, 21413), (3381, 21337), (7861, 9177)]