190040781

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{220721}}^1$

素因数の和:220772

約数の個数: 16

約数和(自身を含む): 296650368

約数和(自身を除く): 106609587

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 220721, 662163, 1545047, 4635141, 9049561, 27148683, 63346927, 190040781]

約数ペア:

[(1, 190040781), (3, 63346927), (7, 27148683), (21, 9049561), (41, 4635141), (123, 1545047), (287, 662163), (861, 220721)]