209747996619

素因数分解:

$3^1\times 7^1\times {\mathrm{16007}}^1\times {\mathrm{623977}}^1$

素因数の和:639994

約数の個数: 16

約数和(自身を含む): 319636474368

約数和(自身を除く): 109888477749

約数列:

[1, 3, 7, 21, 16007, 48021, 112049, 336147, 623977, 1871931, 4367839, 13103517, 9987999839, 29963999517, 69915998873, 209747996619]

約数ペア:

[(1, 209747996619), (3, 69915998873), (7, 29963999517), (21, 9987999839), (16007, 13103517), (48021, 4367839), (112049, 1871931), (336147, 623977)]