747001905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{21401}}^1$

素因数の和:21601

約数の個数: 32

約数和(自身を含む): 1294392960

約数和(自身を除く): 547391055

約数列:

[1, 3, 5, 13, 15, 39, 65, 179, 195, 537, 895, 2327, 2685, 6981, 11635, 21401, 34905, 64203, 107005, 278213, 321015, 834639, 1391065, 3830779, 4173195, 11492337, 19153895, 49800127, 57461685, 149400381, 249000635, 747001905]

約数ペア:

[(1, 747001905), (3, 249000635), (5, 149400381), (13, 57461685), (15, 49800127), (39, 19153895), (65, 11492337), (179, 4173195), (195, 3830779), (537, 1391065), (895, 834639), (2327, 321015), (2685, 278213), (6981, 107005), (11635, 64203), (21401, 34905)]