660757713

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{20879}}^1$

素因数の和:21037

約数の個数: 32

約数和(自身を含む): 1106472960

約数和(自身を除く): 445715247

約数列:

[1, 3, 7, 11, 21, 33, 77, 137, 231, 411, 959, 1507, 2877, 4521, 10549, 20879, 31647, 62637, 146153, 229669, 438459, 689007, 1607683, 2860423, 4823049, 8581269, 20022961, 31464653, 60068883, 94393959, 220252571, 660757713]

約数ペア:

[(1, 660757713), (3, 220252571), (7, 94393959), (11, 60068883), (21, 31464653), (33, 20022961), (77, 8581269), (137, 4823049), (231, 2860423), (411, 1607683), (959, 689007), (1507, 438459), (2877, 229669), (4521, 146153), (10549, 62637), (20879, 31647)]