2821555

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{61}}^1$

素因数の和:135

約数の個数: 24

約数和(自身を含む): 3888144

約数和(自身を除く): 1066589

約数列:

[1, 5, 11, 29, 55, 61, 145, 305, 319, 671, 841, 1595, 1769, 3355, 4205, 8845, 9251, 19459, 46255, 51301, 97295, 256505, 564311, 2821555]

約数ペア:

[(1, 2821555), (5, 564311), (11, 256505), (29, 97295), (55, 51301), (61, 46255), (145, 19459), (305, 9251), (319, 8845), (671, 4205), (841, 3355), (1595, 1769)]