890686545

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{20149}}^1$

素因数の和:20585

約数の個数: 32

約数和(自身を含む): 1632633600

約数和(自身を除く): 741947055

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 421, 1263, 2105, 2947, 6315, 8841, 14735, 20149, 44205, 60447, 100745, 141043, 302235, 423129, 705215, 2115645, 8482729, 25448187, 42413645, 59379103, 127240935, 178137309, 296895515, 890686545]

約数ペア:

[(1, 890686545), (3, 296895515), (5, 178137309), (7, 127240935), (15, 59379103), (21, 42413645), (35, 25448187), (105, 8482729), (421, 2115645), (1263, 705215), (2105, 423129), (2947, 302235), (6315, 141043), (8841, 100745), (14735, 60447), (20149, 44205)]