889798971

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{631}}^1$

素因数の和:891

約数の個数: 32

約数和(自身を含む): 1239164928

約数和(自身を除く): 349365957

約数列:

[1, 3, 47, 73, 137, 141, 219, 411, 631, 1893, 3431, 6439, 10001, 10293, 19317, 29657, 30003, 46063, 86447, 88971, 138189, 259341, 470047, 1410141, 2164961, 4063009, 6310631, 6494883, 12189027, 18931893, 296599657, 889798971]

約数ペア:

[(1, 889798971), (3, 296599657), (47, 18931893), (73, 12189027), (137, 6494883), (141, 6310631), (219, 4063009), (411, 2164961), (631, 1410141), (1893, 470047), (3431, 259341), (6439, 138189), (10001, 88971), (10293, 86447), (19317, 46063), (29657, 30003)]