1869106509

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{146977}}^1$

素因数の和:147146

約数の個数: 20

約数和(自身を含む): 2809925404

約数和(自身を除く): 940818895

約数列:

[1, 3, 9, 27, 81, 157, 471, 1413, 4239, 12717, 146977, 440931, 1322793, 3968379, 11905137, 23075389, 69226167, 207678501, 623035503, 1869106509]

約数ペア:

[(1, 1869106509), (3, 623035503), (9, 207678501), (27, 69226167), (81, 23075389), (157, 11905137), (471, 3968379), (1413, 1322793), (4239, 440931), (12717, 146977)]