78875613

素因数分解:

$3^6\times {\mathrm{257}}^1\times {\mathrm{421}}^1$

素因数の和:696

約数の個数: 28

約数和(自身を含む): 119001468

約数和(自身を除く): 40125855

約数列:

[1, 3, 9, 27, 81, 243, 257, 421, 729, 771, 1263, 2313, 3789, 6939, 11367, 20817, 34101, 62451, 102303, 108197, 187353, 306909, 324591, 973773, 2921319, 8763957, 26291871, 78875613]

約数ペア:

[(1, 78875613), (3, 26291871), (9, 8763957), (27, 2921319), (81, 973773), (243, 324591), (257, 306909), (421, 187353), (729, 108197), (771, 102303), (1263, 62451), (2313, 34101), (3789, 20817), (6939, 11367)]