39880905

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{3413}}^1$

素因数の和:3481

約数の個数: 32

約数和(自身を含む): 68826240

約数和(自身を除く): 28945335

約数列:

[1, 3, 5, 15, 19, 41, 57, 95, 123, 205, 285, 615, 779, 2337, 3413, 3895, 10239, 11685, 17065, 51195, 64847, 139933, 194541, 324235, 419799, 699665, 972705, 2098995, 2658727, 7976181, 13293635, 39880905]

約数ペア:

[(1, 39880905), (3, 13293635), (5, 7976181), (15, 2658727), (19, 2098995), (41, 972705), (57, 699665), (95, 419799), (123, 324235), (205, 194541), (285, 139933), (615, 64847), (779, 51195), (2337, 17065), (3413, 11685), (3895, 10239)]