257276595

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1\times {\mathrm{1087}}^1$

素因数の和:1635

約数の個数: 32

約数和(自身を含む): 426147840

約数和(自身を除く): 168871245

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 509, 1087, 1527, 2545, 3261, 5435, 7635, 15779, 16305, 33697, 47337, 78895, 101091, 168485, 236685, 505455, 553283, 1659849, 2766415, 8299245, 17151773, 51455319, 85758865, 257276595]

約数ペア:

[(1, 257276595), (3, 85758865), (5, 51455319), (15, 17151773), (31, 8299245), (93, 2766415), (155, 1659849), (465, 553283), (509, 505455), (1087, 236685), (1527, 168485), (2545, 101091), (3261, 78895), (5435, 47337), (7635, 33697), (15779, 16305)]