212809605

素因数分解:

$3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{71293}}^1$

素因数の和:71500

約数の個数: 16

約数和(自身を含む): 342211200

約数和(自身を除く): 129401595

約数列:

[1, 3, 5, 15, 199, 597, 995, 2985, 71293, 213879, 356465, 1069395, 14187307, 42561921, 70936535, 212809605]

約数ペア:

[(1, 212809605), (3, 70936535), (5, 42561921), (15, 14187307), (199, 1069395), (597, 356465), (995, 213879), (2985, 71293)]