210906105

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{1801}}^1$

素因数の和:2057

約数の個数: 32

約数和(自身を含む): 348405888

約数和(自身を除く): 137499783

約数列:

[1, 3, 5, 15, 37, 111, 185, 211, 555, 633, 1055, 1801, 3165, 5403, 7807, 9005, 23421, 27015, 39035, 66637, 117105, 199911, 333185, 380011, 999555, 1140033, 1900055, 5700165, 14060407, 42181221, 70302035, 210906105]

約数ペア:

[(1, 210906105), (3, 70302035), (5, 42181221), (15, 14060407), (37, 5700165), (111, 1900055), (185, 1140033), (211, 999555), (555, 380011), (633, 333185), (1055, 199911), (1801, 117105), (3165, 66637), (5403, 39035), (7807, 27015), (9005, 23421)]