13280475

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:336

約数の個数: 48

約数和(自身を含む): 24185952

約数和(自身を除く): 10905477

約数列:

[1, 3, 5, 13, 15, 25, 39, 53, 65, 75, 159, 195, 257, 265, 325, 689, 771, 795, 975, 1285, 1325, 2067, 3341, 3445, 3855, 3975, 6425, 10023, 10335, 13621, 16705, 17225, 19275, 40863, 50115, 51675, 68105, 83525, 177073, 204315, 250575, 340525, 531219, 885365, 1021575, 2656095, 4426825, 13280475]

約数ペア:

[(1, 13280475), (3, 4426825), (5, 2656095), (13, 1021575), (15, 885365), (25, 531219), (39, 340525), (53, 250575), (65, 204315), (75, 177073), (159, 83525), (195, 68105), (257, 51675), (265, 50115), (325, 40863), (689, 19275), (771, 17225), (795, 16705), (975, 13621), (1285, 10335), (1325, 10023), (2067, 6425), (3341, 3975), (3445, 3855)]