39999405

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{743}}^1$

素因数の和:885

約数の個数: 32

約数和(自身を含む): 66495744

約数和(自身を除く): 26496339

約数列:

[1, 3, 5, 15, 37, 97, 111, 185, 291, 485, 555, 743, 1455, 2229, 3589, 3715, 10767, 11145, 17945, 27491, 53835, 72071, 82473, 137455, 216213, 360355, 412365, 1081065, 2666627, 7999881, 13333135, 39999405]

約数ペア:

[(1, 39999405), (3, 13333135), (5, 7999881), (15, 2666627), (37, 1081065), (97, 412365), (111, 360355), (185, 216213), (291, 137455), (485, 82473), (555, 72071), (743, 53835), (1455, 27491), (2229, 17945), (3589, 11145), (3715, 10767)]