42749739

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{449}}^1$

素因数の和:675

約数の個数: 24

約数和(自身を含む): 63180000

約数和(自身を除く): 20430261

約数列:

[1, 3, 9, 71, 149, 213, 447, 449, 639, 1341, 1347, 4041, 10579, 31737, 31879, 66901, 95211, 95637, 200703, 286911, 602109, 4749971, 14249913, 42749739]

約数ペア:

[(1, 42749739), (3, 14249913), (9, 4749971), (71, 602109), (149, 286911), (213, 200703), (447, 95637), (449, 95211), (639, 66901), (1341, 31879), (1347, 31737), (4041, 10579)]