207914721

素因数分解:

$3^1\times 7^1\times {\mathrm{1867}}^1\times {\mathrm{5303}}^1$

素因数の和:7180

約数の個数: 16

約数和(自身を含む): 317051904

約数和(自身を除く): 109137183

約数列:

[1, 3, 7, 21, 1867, 5303, 5601, 13069, 15909, 37121, 39207, 111363, 9900701, 29702103, 69304907, 207914721]

約数ペア:

[(1, 207914721), (3, 69304907), (7, 29702103), (21, 9900701), (1867, 111363), (5303, 39207), (5601, 37121), (13069, 15909)]