28721000805

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{7392793}}^1$

素因数の和:7392845

約数の個数: 32

約数和(自身を含む): 53937825024

約数和(自身を除く): 25216824219

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 105, 111, 185, 259, 555, 777, 1295, 3885, 7392793, 22178379, 36963965, 51749551, 110891895, 155248653, 258747755, 273533341, 776243265, 820600023, 1367666705, 1914733387, 4103000115, 5744200161, 9573666935, 28721000805]

約数ペア:

[(1, 28721000805), (3, 9573666935), (5, 5744200161), (7, 4103000115), (15, 1914733387), (21, 1367666705), (35, 820600023), (37, 776243265), (105, 273533341), (111, 258747755), (185, 155248653), (259, 110891895), (555, 51749551), (777, 36963965), (1295, 22178379), (3885, 7392793)]