291228561

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43669}}^1$

素因数の和:43710

約数の個数: 32

約数和(自身を含む): 489104000

約数和(自身を除く): 197875439

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 117, 171, 247, 351, 513, 741, 2223, 6669, 43669, 131007, 393021, 567697, 829711, 1179063, 1703091, 2489133, 5109273, 7467399, 10786243, 15327819, 22402197, 32358729, 97076187, 291228561]

約数ペア:

[(1, 291228561), (3, 97076187), (9, 32358729), (13, 22402197), (19, 15327819), (27, 10786243), (39, 7467399), (57, 5109273), (117, 2489133), (171, 1703091), (247, 1179063), (351, 829711), (513, 567697), (741, 393021), (2223, 131007), (6669, 43669)]