9780180399

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{1979}}^1\times {\mathrm{49919}}^1$

素因数の和:51915

約数の個数: 24

約数和(自身を含む): 15419289600

約数和(自身を除く): 5639109201

約数列:

[1, 3, 9, 11, 33, 99, 1979, 5937, 17811, 21769, 49919, 65307, 149757, 195921, 449271, 549109, 1647327, 4941981, 98789701, 296369103, 889107309, 1086686711, 3260060133, 9780180399]

約数ペア:

[(1, 9780180399), (3, 3260060133), (9, 1086686711), (11, 889107309), (33, 296369103), (99, 98789701), (1979, 4941981), (5937, 1647327), (17811, 549109), (21769, 449271), (49919, 195921), (65307, 149757)]