173686989

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1\times {\mathrm{1381}}^1$

素因数の和:1557

約数の個数: 32

約数和(自身を含む): 272242944

約数和(自身を除く): 98555955

約数列:

[1, 3, 7, 21, 53, 113, 159, 339, 371, 791, 1113, 1381, 2373, 4143, 5989, 9667, 17967, 29001, 41923, 73193, 125769, 156053, 219579, 468159, 512351, 1092371, 1537053, 3277113, 8270809, 24812427, 57895663, 173686989]

約数ペア:

[(1, 173686989), (3, 57895663), (7, 24812427), (21, 8270809), (53, 3277113), (113, 1537053), (159, 1092371), (339, 512351), (371, 468159), (791, 219579), (1113, 156053), (1381, 125769), (2373, 73193), (4143, 41923), (5989, 29001), (9667, 17967)]