780984141

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{313}}^1\times {\mathrm{907}}^1$

素因数の和:1361

約数の個数: 32

約数和(自身を含む): 1204313088

約数和(自身を除く): 423328947

約数列:

[1, 3, 7, 21, 131, 313, 393, 907, 917, 939, 2191, 2721, 2751, 6349, 6573, 19047, 41003, 118817, 123009, 283891, 287021, 356451, 831719, 851673, 861063, 1987237, 2495157, 5961711, 37189721, 111569163, 260328047, 780984141]

約数ペア:

[(1, 780984141), (3, 260328047), (7, 111569163), (21, 37189721), (131, 5961711), (313, 2495157), (393, 1987237), (907, 861063), (917, 851673), (939, 831719), (2191, 356451), (2721, 287021), (2751, 283891), (6349, 123009), (6573, 118817), (19047, 41003)]