81021222

素因数分解:

$2^1\times 3^4\times {\mathrm{647}}^1\times {\mathrm{773}}^1$

素因数の和:1434

約数の個数: 40

約数和(自身を含む): 182063376

約数和(自身を除く): 101042154

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 647, 773, 1294, 1546, 1941, 2319, 3882, 4638, 5823, 6957, 11646, 13914, 17469, 20871, 34938, 41742, 52407, 62613, 104814, 125226, 500131, 1000262, 1500393, 3000786, 4501179, 9002358, 13503537, 27007074, 40510611, 81021222]

約数ペア:

[(1, 81021222), (2, 40510611), (3, 27007074), (6, 13503537), (9, 9002358), (18, 4501179), (27, 3000786), (54, 1500393), (81, 1000262), (162, 500131), (647, 125226), (773, 104814), (1294, 62613), (1546, 52407), (1941, 41742), (2319, 34938), (3882, 20871), (4638, 17469), (5823, 13914), (6957, 11646)]