680715

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{2161}}^1$

素因数の和:2179

約数の個数: 24

約数和(自身を含む): 1349088

約数和(自身を除く): 668373

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 2161, 6483, 10805, 15127, 19449, 32415, 45381, 75635, 97245, 136143, 226905, 680715]

約数ペア:

[(1, 680715), (3, 226905), (5, 136143), (7, 97245), (9, 75635), (15, 45381), (21, 32415), (35, 19449), (45, 15127), (63, 10805), (105, 6483), (315, 2161)]