1683381

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4219}}^1$

素因数の和:4248

約数の個数: 16

約数和(自身を含む): 2700800

約数和(自身を除く): 1017419

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 4219, 12657, 29533, 80161, 88599, 240483, 561127, 1683381]

約数ペア:

[(1, 1683381), (3, 561127), (7, 240483), (19, 88599), (21, 80161), (57, 29533), (133, 12657), (399, 4219)]