27890415

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2393}}^1$

素因数の和:2448

約数の個数: 48

約数和(自身を含む): 56766528

約数和(自身を除く): 28876113

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, 2393, 3885, 7179, 11655, 11965, 16751, 21537, 35895, 50253, 83755, 88541, 107685, 150759, 251265, 265623, 442705, 619787, 753795, 796869, 1328115, 1859361, 3098935, 3984345, 5578083, 9296805, 27890415]

約数ペア:

[(1, 27890415), (3, 9296805), (5, 5578083), (7, 3984345), (9, 3098935), (15, 1859361), (21, 1328115), (35, 796869), (37, 753795), (45, 619787), (63, 442705), (105, 265623), (111, 251265), (185, 150759), (259, 107685), (315, 88541), (333, 83755), (555, 50253), (777, 35895), (1295, 21537), (1665, 16751), (2331, 11965), (2393, 11655), (3885, 7179)]