201991275

素因数分解:

$3^2\times 5^2\times {\mathrm{881}}^1\times {\mathrm{1019}}^1$

素因数の和:1916

約数の個数: 36

約数和(自身を含む): 362554920

約数和(自身を除く): 160563645

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 881, 1019, 2643, 3057, 4405, 5095, 7929, 9171, 13215, 15285, 22025, 25475, 39645, 45855, 66075, 76425, 198225, 229275, 897739, 2693217, 4488695, 8079651, 13466085, 22443475, 40398255, 67330425, 201991275]

約数ペア:

[(1, 201991275), (3, 67330425), (5, 40398255), (9, 22443475), (15, 13466085), (25, 8079651), (45, 4488695), (75, 2693217), (225, 897739), (881, 229275), (1019, 198225), (2643, 76425), (3057, 66075), (4405, 45855), (5095, 39645), (7929, 25475), (9171, 22025), (13215, 15285)]