28240065

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2423}}^1$

素因数の和:2478

約数の個数: 48

約数和(自身を含む): 57477888

約数和(自身を除く): 29237823

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 37, 45, 63, 105, 111, 185, 259, 315, 333, 555, 777, 1295, 1665, 2331, 2423, 3885, 7269, 11655, 12115, 16961, 21807, 36345, 50883, 84805, 89651, 109035, 152649, 254415, 268953, 448255, 627557, 763245, 806859, 1344765, 1882671, 3137785, 4034295, 5648013, 9413355, 28240065]

約数ペア:

[(1, 28240065), (3, 9413355), (5, 5648013), (7, 4034295), (9, 3137785), (15, 1882671), (21, 1344765), (35, 806859), (37, 763245), (45, 627557), (63, 448255), (105, 268953), (111, 254415), (185, 152649), (259, 109035), (315, 89651), (333, 84805), (555, 50883), (777, 36345), (1295, 21807), (1665, 16961), (2331, 12115), (2423, 11655), (3885, 7269)]