39721989

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{739}}^1$

素因数の和:825

約数の個数: 32

約数和(自身を含む): 59673600

約数和(自身を除く): 19951611

約数列:

[1, 3, 19, 23, 41, 57, 69, 123, 437, 739, 779, 943, 1311, 2217, 2337, 2829, 14041, 16997, 17917, 30299, 42123, 50991, 53751, 90897, 322943, 575681, 696877, 968829, 1727043, 2090631, 13240663, 39721989]

約数ペア:

[(1, 39721989), (3, 13240663), (19, 2090631), (23, 1727043), (41, 968829), (57, 696877), (69, 575681), (123, 322943), (437, 90897), (739, 53751), (779, 50991), (943, 42123), (1311, 30299), (2217, 17917), (2337, 16997), (2829, 14041)]