64864737

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{27827}}^1$

素因数の和:27877

約数の個数: 24

約数和(自身を含む): 109976256

約数和(自身を除く): 45111519

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 27827, 83481, 194789, 250443, 584367, 1029599, 1753101, 3088797, 7207193, 9266391, 21621579, 64864737]

約数ペア:

[(1, 64864737), (3, 21621579), (7, 9266391), (9, 7207193), (21, 3088797), (37, 1753101), (63, 1029599), (111, 584367), (259, 250443), (333, 194789), (777, 83481), (2331, 27827)]