1221605

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1$

素因数の和:209

約数の個数: 32

約数和(自身を含む): 1935360

約数和(自身を除く): 713755

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 167, 209, 385, 665, 835, 1045, 1169, 1463, 1837, 3173, 5845, 7315, 9185, 12859, 15865, 22211, 34903, 64295, 111055, 174515, 244321, 1221605]

約数ペア:

[(1, 1221605), (5, 244321), (7, 174515), (11, 111055), (19, 64295), (35, 34903), (55, 22211), (77, 15865), (95, 12859), (133, 9185), (167, 7315), (209, 5845), (385, 3173), (665, 1837), (835, 1463), (1045, 1169)]