215884035

素因数分解:

$3^4\times 5^1\times {\mathrm{643}}^1\times {\mathrm{829}}^1$

素因数の和:1489

約数の個数: 40

約数和(自身を含む): 388061520

約数和(自身を除く): 172177485

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 643, 829, 1929, 2487, 3215, 4145, 5787, 7461, 9645, 12435, 17361, 22383, 28935, 37305, 52083, 67149, 86805, 111915, 260415, 335745, 533047, 1599141, 2665235, 4797423, 7995705, 14392269, 23987115, 43176807, 71961345, 215884035]

約数ペア:

[(1, 215884035), (3, 71961345), (5, 43176807), (9, 23987115), (15, 14392269), (27, 7995705), (45, 4797423), (81, 2665235), (135, 1599141), (405, 533047), (643, 335745), (829, 260415), (1929, 111915), (2487, 86805), (3215, 67149), (4145, 52083), (5787, 37305), (7461, 28935), (9645, 22383), (12435, 17361)]