1290389763

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{313}}^1\times {\mathrm{2857}}^1$

素因数の和:3223

約数の個数: 32

約数和(自身を含む): 1909692736

約数和(自身を除く): 619302973

約数列:

[1, 3, 13, 37, 39, 111, 313, 481, 939, 1443, 2857, 4069, 8571, 11581, 12207, 34743, 37141, 105709, 111423, 150553, 317127, 451659, 894241, 1374217, 2682723, 4122651, 11625133, 33086917, 34875399, 99260751, 430129921, 1290389763]

約数ペア:

[(1, 1290389763), (3, 430129921), (13, 99260751), (37, 34875399), (39, 33086917), (111, 11625133), (313, 4122651), (481, 2682723), (939, 1374217), (1443, 894241), (2857, 451659), (4069, 317127), (8571, 150553), (11581, 111423), (12207, 105709), (34743, 37141)]