7940853

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:154

約数の個数: 36

約数和(自身を含む): 12643488

約数和(自身を除く): 4702635

約数列:

[1, 3, 9, 17, 43, 51, 71, 129, 153, 213, 289, 387, 639, 731, 867, 1207, 2193, 2601, 3053, 3621, 6579, 9159, 10863, 12427, 20519, 27477, 37281, 51901, 61557, 111843, 155703, 184671, 467109, 882317, 2646951, 7940853]

約数ペア:

[(1, 7940853), (3, 2646951), (9, 882317), (17, 467109), (43, 184671), (51, 155703), (71, 111843), (129, 61557), (153, 51901), (213, 37281), (289, 27477), (387, 20519), (639, 12427), (731, 10863), (867, 9159), (1207, 6579), (2193, 3621), (2601, 3053)]