39900161

素因数分解:

$7^3\times {\mathrm{61}}^1\times {\mathrm{1907}}^1$

素因数の和:1989

約数の個数: 16

約数和(自身を含む): 47318400

約数和(自身を除く): 7418239

約数列:

[1, 7, 49, 61, 343, 427, 1907, 2989, 13349, 20923, 93443, 116327, 654101, 814289, 5700023, 39900161]

約数ペア:

[(1, 39900161), (7, 5700023), (49, 814289), (61, 654101), (343, 116327), (427, 93443), (1907, 20923), (2989, 13349)]