9980212581

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{18251}}^1$

素因数の和:18463

約数の個数: 40

約数和(自身を含む): 15353436384

約数和(自身を除く): 5373223803

約数列:

[1, 3, 9, 27, 43, 81, 129, 157, 387, 471, 1161, 1413, 3483, 4239, 6751, 12717, 18251, 20253, 54753, 60759, 164259, 182277, 492777, 546831, 784793, 1478331, 2354379, 2865407, 7063137, 8596221, 21189411, 25788663, 63568233, 77365989, 123212501, 232097967, 369637503, 1108912509, 3326737527, 9980212581]

約数ペア:

[(1, 9980212581), (3, 3326737527), (9, 1108912509), (27, 369637503), (43, 232097967), (81, 123212501), (129, 77365989), (157, 63568233), (387, 25788663), (471, 21189411), (1161, 8596221), (1413, 7063137), (3483, 2865407), (4239, 2354379), (6751, 1478331), (12717, 784793), (18251, 546831), (20253, 492777), (54753, 182277), (60759, 164259)]