664726707

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1\times {\mathrm{521}}^1$

素因数の和:844

約数の個数: 48

約数和(自身を含む): 1055358720

約数和(自身を除く): 390632013

約数列:

[1, 3, 9, 17, 31, 51, 93, 153, 269, 279, 521, 527, 807, 1563, 1581, 2421, 4573, 4689, 4743, 8339, 8857, 13719, 16151, 25017, 26571, 41157, 48453, 75051, 79713, 140149, 141763, 145359, 274567, 420447, 425289, 823701, 1261341, 1275867, 2382533, 2471103, 4344619, 7147599, 13033857, 21442797, 39101571, 73858523, 221575569, 664726707]

約数ペア:

[(1, 664726707), (3, 221575569), (9, 73858523), (17, 39101571), (31, 21442797), (51, 13033857), (93, 7147599), (153, 4344619), (269, 2471103), (279, 2382533), (521, 1275867), (527, 1261341), (807, 823701), (1563, 425289), (1581, 420447), (2421, 274567), (4573, 145359), (4689, 141763), (4743, 140149), (8339, 79713), (8857, 75051), (13719, 48453), (16151, 41157), (25017, 26571)]