680985

素因数分解:

$3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:457

約数の個数: 24

約数和(自身を含む): 1215240

約数和(自身を除く): 534255

約数列:

[1, 3, 5, 9, 15, 37, 45, 111, 185, 333, 409, 555, 1227, 1665, 2045, 3681, 6135, 15133, 18405, 45399, 75665, 136197, 226995, 680985]

約数ペア:

[(1, 680985), (3, 226995), (5, 136197), (9, 75665), (15, 45399), (37, 18405), (45, 15133), (111, 6135), (185, 3681), (333, 2045), (409, 1665), (555, 1227)]