64729791

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{12379}}^1$

素因数の和:12475

約数の個数: 24

約数和(自身を含む): 108151680

約数和(自身を除く): 43421889

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 581, 747, 1743, 5229, 12379, 37137, 86653, 111411, 259959, 779877, 1027457, 3082371, 7192199, 9247113, 21576597, 64729791]

約数ペア:

[(1, 64729791), (3, 21576597), (7, 9247113), (9, 7192199), (21, 3082371), (63, 1027457), (83, 779877), (249, 259959), (581, 111411), (747, 86653), (1743, 37137), (5229, 12379)]