207847871

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{211}}^1\times {\mathrm{1163}}^1$

素因数の和:1403

約数の個数: 24

約数和(自身を含む): 262561152

約数和(自身を除く): 54713281

約数列:

[1, 7, 11, 77, 121, 211, 847, 1163, 1477, 2321, 8141, 12793, 16247, 25531, 89551, 140723, 178717, 245393, 985061, 1717751, 2699323, 18895261, 29692553, 207847871]

約数ペア:

[(1, 207847871), (7, 29692553), (11, 18895261), (77, 2699323), (121, 1717751), (211, 985061), (847, 245393), (1163, 178717), (1477, 140723), (2321, 89551), (8141, 25531), (12793, 16247)]