211275

素因数分解:

$3^3\times 5^2\times {\mathrm{313}}^1$

素因数の和:332

約数の個数: 24

約数和(自身を含む): 389360

約数和(自身を除く): 178085

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 313, 675, 939, 1565, 2817, 4695, 7825, 8451, 14085, 23475, 42255, 70425, 211275]

約数ペア:

[(1, 211275), (3, 70425), (5, 42255), (9, 23475), (15, 14085), (25, 8451), (27, 7825), (45, 4695), (75, 2817), (135, 1565), (225, 939), (313, 675)]