1680417

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:373

約数の個数: 24

約数和(自身を含む): 2645760

約数和(自身を除く): 965343

約数列:

[1, 3, 9, 19, 31, 57, 93, 171, 279, 317, 589, 951, 1767, 2853, 5301, 6023, 9827, 18069, 29481, 54207, 88443, 186713, 560139, 1680417]

約数ペア:

[(1, 1680417), (3, 560139), (9, 186713), (19, 88443), (31, 54207), (57, 29481), (93, 18069), (171, 9827), (279, 6023), (317, 5301), (589, 2853), (951, 1767)]