87471981

素因数分解:

$3^6\times {\mathrm{97}}^1\times {\mathrm{1237}}^1$

素因数の和:1352

約数の個数: 28

約数和(自身を含む): 132607132

約数和(自身を除く): 45135151

約数列:

[1, 3, 9, 27, 81, 97, 243, 291, 729, 873, 1237, 2619, 3711, 7857, 11133, 23571, 33399, 70713, 100197, 119989, 300591, 359967, 901773, 1079901, 3239703, 9719109, 29157327, 87471981]

約数ペア:

[(1, 87471981), (3, 29157327), (9, 9719109), (27, 3239703), (81, 1079901), (97, 901773), (243, 359967), (291, 300591), (729, 119989), (873, 100197), (1237, 70713), (2619, 33399), (3711, 23571), (7857, 11133)]