1271640222729

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{112944331}}^1$

素因数の和:112944482

約数の個数: 20

約数和(自身を含む): 1913276984080

約数和(自身を除く): 641636761351

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 3753, 11259, 112944331, 338832993, 1016498979, 3049496937, 9148490811, 15699262009, 47097786027, 141293358081, 423880074243, 1271640222729]

約数ペア:

[(1, 1271640222729), (3, 423880074243), (9, 141293358081), (27, 47097786027), (81, 15699262009), (139, 9148490811), (417, 3049496937), (1251, 1016498979), (3753, 338832993), (11259, 112944331)]