147816981

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{613}}^1$

素因数の和:867

約数の個数: 40

約数和(自身を含む): 239226680

約数和(自身を除く): 91409699

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 229, 351, 613, 687, 1053, 1839, 2061, 2977, 5517, 6183, 7969, 8931, 16551, 18549, 23907, 26793, 49653, 71721, 80379, 140377, 215163, 241137, 421131, 645489, 1263393, 1824901, 3790179, 5474703, 11370537, 16424109, 49272327, 147816981]

約数ペア:

[(1, 147816981), (3, 49272327), (9, 16424109), (13, 11370537), (27, 5474703), (39, 3790179), (81, 1824901), (117, 1263393), (229, 645489), (351, 421131), (613, 241137), (687, 215163), (1053, 140377), (1839, 80379), (2061, 71721), (2977, 49653), (5517, 26793), (6183, 23907), (7969, 18549), (8931, 16551)]