201225915

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{406517}}^1$

素因数の和:406539

約数の個数: 24

約数和(自身を含む): 380500848

約数和(自身を除く): 179274933

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 406517, 1219551, 2032585, 3658653, 4471687, 6097755, 13415061, 18293265, 22358435, 40245183, 67075305, 201225915]

約数ペア:

[(1, 201225915), (3, 67075305), (5, 40245183), (9, 22358435), (11, 18293265), (15, 13415061), (33, 6097755), (45, 4471687), (55, 3658653), (99, 2032585), (165, 1219551), (495, 406517)]