291290391

素因数分解:

$3^3\times 7^1\times {\mathrm{557}}^1\times {\mathrm{2767}}^1$

素因数の和:3340

約数の個数: 32

約数和(自身を含む): 494254080

約数和(自身を除く): 202963689

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 557, 1671, 2767, 3899, 5013, 8301, 11697, 15039, 19369, 24903, 35091, 58107, 74709, 105273, 174321, 522963, 1541219, 4623657, 10788533, 13870971, 32365599, 41612913, 97096797, 291290391]

約数ペア:

[(1, 291290391), (3, 97096797), (7, 41612913), (9, 32365599), (21, 13870971), (27, 10788533), (63, 4623657), (189, 1541219), (557, 522963), (1671, 174321), (2767, 105273), (3899, 74709), (5013, 58107), (8301, 35091), (11697, 24903), (15039, 19369)]