664967523

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{1867}}^1$

素因数の和:2175

約数の個数: 32

約数和(自身を含む): 994194432

約数和(自身を除く): 329226909

約数列:

[1, 3, 11, 33, 43, 129, 251, 473, 753, 1419, 1867, 2761, 5601, 8283, 10793, 20537, 32379, 61611, 80281, 118723, 240843, 356169, 468617, 883091, 1405851, 2649273, 5154787, 15464361, 20150531, 60451593, 221655841, 664967523]

約数ペア:

[(1, 664967523), (3, 221655841), (11, 60451593), (33, 20150531), (43, 15464361), (129, 5154787), (251, 2649273), (473, 1405851), (753, 883091), (1419, 468617), (1867, 356169), (2761, 240843), (5601, 118723), (8283, 80281), (10793, 61611), (20537, 32379)]