39887961

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 57222528

約数和(自身を除く): 17334567

約数列:

[1, 3, 37, 43, 61, 111, 129, 137, 183, 411, 1591, 2257, 2623, 4773, 5069, 5891, 6771, 7869, 8357, 15207, 17673, 25071, 97051, 217967, 291153, 309209, 359351, 653901, 927627, 1078053, 13295987, 39887961]

約数ペア:

[(1, 39887961), (3, 13295987), (37, 1078053), (43, 927627), (61, 653901), (111, 359351), (129, 309209), (137, 291153), (183, 217967), (411, 97051), (1591, 25071), (2257, 17673), (2623, 15207), (4773, 8357), (5069, 7869), (5891, 6771)]