210651805

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{1987}}^1$

素因数の和:2245

約数の個数: 32

約数和(自身を含む): 312609024

約数和(自身を除く): 101957219

約数列:

[1, 5, 7, 13, 35, 65, 91, 233, 455, 1165, 1631, 1987, 3029, 8155, 9935, 13909, 15145, 21203, 25831, 69545, 106015, 129155, 180817, 462971, 904085, 2314855, 3240797, 6018623, 16203985, 30093115, 42130361, 210651805]

約数ペア:

[(1, 210651805), (5, 42130361), (7, 30093115), (13, 16203985), (35, 6018623), (65, 3240797), (91, 2314855), (233, 904085), (455, 462971), (1165, 180817), (1631, 129155), (1987, 106015), (3029, 69545), (8155, 25831), (9935, 21203), (13909, 15145)]