9920565

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{283}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 18607680

約数和(自身を除く): 8687115

約数列:

[1, 3, 5, 9, 15, 19, 41, 45, 57, 95, 123, 171, 205, 283, 285, 369, 615, 779, 849, 855, 1415, 1845, 2337, 2547, 3895, 4245, 5377, 7011, 11603, 11685, 12735, 16131, 26885, 34809, 35055, 48393, 58015, 80655, 104427, 174045, 220457, 241965, 522135, 661371, 1102285, 1984113, 3306855, 9920565]

約数ペア:

[(1, 9920565), (3, 3306855), (5, 1984113), (9, 1102285), (15, 661371), (19, 522135), (41, 241965), (45, 220457), (57, 174045), (95, 104427), (123, 80655), (171, 58015), (205, 48393), (283, 35055), (285, 34809), (369, 26885), (615, 16131), (779, 12735), (849, 11685), (855, 11603), (1415, 7011), (1845, 5377), (2337, 4245), (2547, 3895)]