28021275

素因数分解:

$3^3\times 5^2\times {\mathrm{41513}}^1$

素因数の和:41532

約数の個数: 24

約数和(自身を含む): 51477360

約数和(自身を除く): 23456085

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 41513, 124539, 207565, 373617, 622695, 1037825, 1120851, 1868085, 3113475, 5604255, 9340425, 28021275]

約数ペア:

[(1, 28021275), (3, 9340425), (5, 5604255), (9, 3113475), (15, 1868085), (25, 1120851), (27, 1037825), (45, 622695), (75, 373617), (135, 207565), (225, 124539), (675, 41513)]