15550275

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 28435680

約数和(自身を除く): 12885405

約数列:

[1, 3, 5, 13, 15, 25, 39, 41, 65, 75, 123, 195, 205, 325, 389, 533, 615, 975, 1025, 1167, 1599, 1945, 2665, 3075, 5057, 5835, 7995, 9725, 13325, 15171, 15949, 25285, 29175, 39975, 47847, 75855, 79745, 126425, 207337, 239235, 379275, 398725, 622011, 1036685, 1196175, 3110055, 5183425, 15550275]

約数ペア:

[(1, 15550275), (3, 5183425), (5, 3110055), (13, 1196175), (15, 1036685), (25, 622011), (39, 398725), (41, 379275), (65, 239235), (75, 207337), (123, 126425), (195, 79745), (205, 75855), (325, 47847), (389, 39975), (533, 29175), (615, 25285), (975, 15949), (1025, 15171), (1167, 13325), (1599, 9725), (1945, 7995), (2665, 5835), (3075, 5057)]