1889448477

素因数分解:

$3^1\times 7^2\times {\mathrm{487}}^1\times {\mathrm{26393}}^1$

素因数の和:26897

約数の個数: 24

約数和(自身を含む): 2936702016

約数和(自身を除く): 1047253539

約数列:

[1, 3, 7, 21, 49, 147, 487, 1461, 3409, 10227, 23863, 26393, 71589, 79179, 184751, 554253, 1293257, 3879771, 12853391, 38560173, 89973737, 269921211, 629816159, 1889448477]

約数ペア:

[(1, 1889448477), (3, 629816159), (7, 269921211), (21, 89973737), (49, 38560173), (147, 12853391), (487, 3879771), (1461, 1293257), (3409, 554253), (10227, 184751), (23863, 79179), (26393, 71589)]