780213

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{701}}^1$

素因数の和:764

約数の個数: 16

約数和(自身を含む): 1213056

約数和(自身を除く): 432843

約数列:

[1, 3, 7, 21, 53, 159, 371, 701, 1113, 2103, 4907, 14721, 37153, 111459, 260071, 780213]

約数ペア:

[(1, 780213), (3, 260071), (7, 111459), (21, 37153), (53, 14721), (159, 4907), (371, 2103), (701, 1113)]