2565513

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{1667}}^1$

素因数の和:1698

約数の個数: 20

約数和(自身を含む): 4036560

約数和(自身を除く): 1471047

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 1667, 5001, 15003, 31673, 45009, 95019, 135027, 285057, 855171, 2565513]

約数ペア:

[(1, 2565513), (3, 855171), (9, 285057), (19, 135027), (27, 95019), (57, 45009), (81, 31673), (171, 15003), (513, 5001), (1539, 1667)]