1312331391

素因数分解:

$3^2\times 7^1\times {\mathrm{1913}}^1\times {\mathrm{10889}}^1$

素因数の和:12815

約数の個数: 24

約数和(自身を含む): 2167719840

約数和(自身を除く): 855388449

約数列:

[1, 3, 7, 9, 21, 63, 1913, 5739, 10889, 13391, 17217, 32667, 40173, 76223, 98001, 120519, 228669, 686007, 20830657, 62491971, 145814599, 187475913, 437443797, 1312331391]

約数ペア:

[(1, 1312331391), (3, 437443797), (7, 187475913), (9, 145814599), (21, 62491971), (63, 20830657), (1913, 686007), (5739, 228669), (10889, 120519), (13391, 98001), (17217, 76223), (32667, 40173)]