81854025

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2111}}^1$

素因数の和:2182

約数の個数: 48

約数和(自身を含む): 150847488

約数和(自身を除く): 68993463

約数列:

[1, 3, 5, 11, 15, 25, 33, 47, 55, 75, 141, 165, 235, 275, 517, 705, 825, 1175, 1551, 2111, 2585, 3525, 6333, 7755, 10555, 12925, 23221, 31665, 38775, 52775, 69663, 99217, 116105, 158325, 297651, 348315, 496085, 580525, 1091387, 1488255, 1741575, 2480425, 3274161, 5456935, 7441275, 16370805, 27284675, 81854025]

約数ペア:

[(1, 81854025), (3, 27284675), (5, 16370805), (11, 7441275), (15, 5456935), (25, 3274161), (33, 2480425), (47, 1741575), (55, 1488255), (75, 1091387), (141, 580525), (165, 496085), (235, 348315), (275, 297651), (517, 158325), (705, 116105), (825, 99217), (1175, 69663), (1551, 52775), (2111, 38775), (2585, 31665), (3525, 23221), (6333, 12925), (7755, 10555)]