153907985

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{399761}}^1$

素因数の和:399784

約数の個数: 16

約数和(自身を含む): 230262912

約数和(自身を除く): 76354927

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 399761, 1998805, 2798327, 4397371, 13991635, 21986855, 30781597, 153907985]

約数ペア:

[(1, 153907985), (5, 30781597), (7, 21986855), (11, 13991635), (35, 4397371), (55, 2798327), (77, 1998805), (385, 399761)]