1729273

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{613}}^1$

素因数の和:664

約数の個数: 16

約数和(自身を含む): 2200576

約数和(自身を除く): 471303

約数列:

[1, 7, 13, 31, 91, 217, 403, 613, 2821, 4291, 7969, 19003, 55783, 133021, 247039, 1729273]

約数ペア:

[(1, 1729273), (7, 247039), (13, 133021), (31, 55783), (91, 19003), (217, 7969), (403, 4291), (613, 2821)]