1957980381

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4907219}}^1$

素因数の和:4907248

約数の個数: 16

約数和(自身を含む): 3140620800

約数和(自身を除く): 1182640419

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 4907219, 14721657, 34350533, 93237161, 103051599, 279711483, 652660127, 1957980381]

約数ペア:

[(1, 1957980381), (3, 652660127), (7, 279711483), (19, 103051599), (21, 93237161), (57, 34350533), (133, 14721657), (399, 4907219)]