668538381

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{227}}^1\times {\mathrm{2377}}^1$

素因数の和:2673

約数の個数: 32

約数和(自身を含む): 1040993280

約数和(自身を除く): 372454899

約数列:

[1, 3, 7, 21, 59, 177, 227, 413, 681, 1239, 1589, 2377, 4767, 7131, 13393, 16639, 40179, 49917, 93751, 140243, 281253, 420729, 539579, 981701, 1618737, 2945103, 3777053, 11331159, 31835161, 95505483, 222846127, 668538381]

約数ペア:

[(1, 668538381), (3, 222846127), (7, 95505483), (21, 31835161), (59, 11331159), (177, 3777053), (227, 2945103), (413, 1618737), (681, 981701), (1239, 539579), (1589, 420729), (2377, 281253), (4767, 140243), (7131, 93751), (13393, 49917), (16639, 40179)]