61728921

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{1289}}^1$

素因数の和:1625

約数の個数: 24

約数和(自身を含む): 94784040

約数和(自身を除く): 33055119

約数列:

[1, 3, 9, 17, 51, 153, 313, 939, 1289, 2817, 3867, 5321, 11601, 15963, 21913, 47889, 65739, 197217, 403457, 1210371, 3631113, 6858769, 20576307, 61728921]

約数ペア:

[(1, 61728921), (3, 20576307), (9, 6858769), (17, 3631113), (51, 1210371), (153, 403457), (313, 197217), (939, 65739), (1289, 47889), (2817, 21913), (3867, 15963), (5321, 11601)]