65664513

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{42667}}^1$

素因数の和:42698

約数の個数: 20

約数和(自身を含む): 103256560

約数和(自身を除く): 37592047

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 42667, 128001, 384003, 810673, 1152009, 2432019, 3456027, 7296057, 21888171, 65664513]

約数ペア:

[(1, 65664513), (3, 21888171), (9, 7296057), (19, 3456027), (27, 2432019), (57, 1152009), (81, 810673), (171, 384003), (513, 128001), (1539, 42667)]