1550001

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:476

約数の個数: 16

約数和(自身を含む): 2211840

約数和(自身を除く): 661839

約数列:

[1, 3, 19, 57, 71, 213, 383, 1149, 1349, 4047, 7277, 21831, 27193, 81579, 516667, 1550001]

約数ペア:

[(1, 1550001), (3, 516667), (19, 81579), (57, 27193), (71, 21831), (213, 7277), (383, 4047), (1149, 1349)]