1569721761

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{289243}}^1$

素因数の和:289322

約数の個数: 20

約数和(自身を含む): 2379899632

約数和(自身を除く): 810177871

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 5427, 289243, 867729, 2603187, 7809561, 19379281, 23428683, 58137843, 174413529, 523240587, 1569721761]

約数ペア:

[(1, 1569721761), (3, 523240587), (9, 174413529), (27, 58137843), (67, 23428683), (81, 19379281), (201, 7809561), (603, 2603187), (1809, 867729), (5427, 289243)]