161363391

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{178697}}^1$

素因数の和:178750

約数の個数: 16

約数和(自身を含む): 251606784

約数和(自身を除く): 90243393

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 178697, 536091, 1250879, 3752637, 7683971, 23051913, 53787797, 161363391]

約数ペア:

[(1, 161363391), (3, 53787797), (7, 23051913), (21, 7683971), (43, 3752637), (129, 1250879), (301, 536091), (903, 178697)]