12191025

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2111}}^1$

素因数の和:2142

約数の個数: 48

約数和(自身を含む): 25141248

約数和(自身を除く): 12950223

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 55, 75, 77, 105, 165, 175, 231, 275, 385, 525, 825, 1155, 1925, 2111, 5775, 6333, 10555, 14777, 23221, 31665, 44331, 52775, 69663, 73885, 116105, 158325, 162547, 221655, 348315, 369425, 487641, 580525, 812735, 1108275, 1741575, 2438205, 4063675, 12191025]

約数ペア:

[(1, 12191025), (3, 4063675), (5, 2438205), (7, 1741575), (11, 1108275), (15, 812735), (21, 580525), (25, 487641), (33, 369425), (35, 348315), (55, 221655), (75, 162547), (77, 158325), (105, 116105), (165, 73885), (175, 69663), (231, 52775), (275, 44331), (385, 31665), (525, 23221), (825, 14777), (1155, 10555), (1925, 6333), (2111, 5775)]