221180454579

素因数分解:

$3^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{919}}^1\times {\mathrm{26591}}^1$

素因数の和:27951

約数の個数: 32

約数和(自身を含む): 338199183360

約数和(自身を除く): 117018728781

約数列:

[1, 3, 7, 21, 431, 919, 1293, 2757, 3017, 6433, 9051, 19299, 26591, 79773, 186137, 396089, 558411, 1188267, 2772623, 8317869, 11460721, 24437129, 34382163, 73311387, 80225047, 171059903, 240675141, 513179709, 10532402599, 31597207797, 73726818193, 221180454579]

約数ペア:

[(1, 221180454579), (3, 73726818193), (7, 31597207797), (21, 10532402599), (431, 513179709), (919, 240675141), (1293, 171059903), (2757, 80225047), (3017, 73311387), (6433, 34382163), (9051, 24437129), (19299, 11460721), (26591, 8317869), (79773, 2772623), (186137, 1188267), (396089, 558411)]