39561879

素因数分解:

$3^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{2939}}^1$

素因数の和:3590

約数の個数: 16

約数和(自身を含む): 60399360

約数和(自身を除く): 20837481

約数列:

[1, 3, 7, 21, 641, 1923, 2939, 4487, 8817, 13461, 20573, 61719, 1883899, 5651697, 13187293, 39561879]

約数ペア:

[(1, 39561879), (3, 13187293), (7, 5651697), (21, 1883899), (641, 61719), (1923, 20573), (2939, 13461), (4487, 8817)]