20030403

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{4049}}^1$

素因数の和:4166

約数の個数: 16

約数和(自身を含む): 28576800

約数和(自身を除く): 8546397

約数列:

[1, 3, 17, 51, 97, 291, 1649, 4049, 4947, 12147, 68833, 206499, 392753, 1178259, 6676801, 20030403]

約数ペア:

[(1, 20030403), (3, 6676801), (17, 1178259), (51, 392753), (97, 206499), (291, 68833), (1649, 12147), (4049, 4947)]