2019892221

素因数分解:

$3^4\times {\mathrm{167}}^1\times {\mathrm{149323}}^1$

素因数の和:149502

約数の個数: 20

約数和(自身を含む): 3035458272

約数和(自身を除く): 1015566051

約数列:

[1, 3, 9, 27, 81, 167, 501, 1503, 4509, 13527, 149323, 447969, 1343907, 4031721, 12095163, 24936941, 74810823, 224432469, 673297407, 2019892221]

約数ペア:

[(1, 2019892221), (3, 673297407), (9, 224432469), (27, 74810823), (81, 24936941), (167, 12095163), (501, 4031721), (1503, 1343907), (4509, 447969), (13527, 149323)]