207472713

素因数分解:

$3^1\times 7^2\times {\mathrm{211}}^1\times {\mathrm{6689}}^1$

素因数の和:6917

約数の個数: 24

約数和(自身を含む): 323367840

約数和(自身を除く): 115895127

約数列:

[1, 3, 7, 21, 49, 147, 211, 633, 1477, 4431, 6689, 10339, 20067, 31017, 46823, 140469, 327761, 983283, 1411379, 4234137, 9879653, 29638959, 69157571, 207472713]

約数ペア:

[(1, 207472713), (3, 69157571), (7, 29638959), (21, 9879653), (49, 4234137), (147, 1411379), (211, 983283), (633, 327761), (1477, 140469), (4431, 46823), (6689, 31017), (10339, 20067)]