221293373

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{6907}}^1$

素因数の和:7136

約数の個数: 16

約数和(自身を含む): 265267200

約数和(自身を除く): 43973827

約数列:

[1, 7, 23, 161, 199, 1393, 4577, 6907, 32039, 48349, 158861, 1112027, 1374493, 9621451, 31613339, 221293373]

約数ペア:

[(1, 221293373), (7, 31613339), (23, 9621451), (161, 1374493), (199, 1112027), (1393, 158861), (4577, 48349), (6907, 32039)]