1917747

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{443}}^1$

素因数の和:499

約数の個数: 24

約数和(自身を含む): 3070704

約数和(自身を除く): 1152957

約数列:

[1, 3, 9, 13, 37, 39, 111, 117, 333, 443, 481, 1329, 1443, 3987, 4329, 5759, 16391, 17277, 49173, 51831, 147519, 213083, 639249, 1917747]

約数ペア:

[(1, 1917747), (3, 639249), (9, 213083), (13, 147519), (37, 51831), (39, 49173), (111, 17277), (117, 16391), (333, 5759), (443, 4329), (481, 3987), (1329, 1443)]