219020775

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{607}}^1$

素因数の和:920

約数の個数: 48

約数和(自身を含む): 385403904

約数和(自身を除く): 166383129

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 283, 425, 607, 849, 1275, 1415, 1821, 3035, 4245, 4811, 7075, 9105, 10319, 14433, 15175, 21225, 24055, 30957, 45525, 51595, 72165, 120275, 154785, 171781, 257975, 360825, 515343, 773925, 858905, 2576715, 2920277, 4294525, 8760831, 12883575, 14601385, 43804155, 73006925, 219020775]

約数ペア:

[(1, 219020775), (3, 73006925), (5, 43804155), (15, 14601385), (17, 12883575), (25, 8760831), (51, 4294525), (75, 2920277), (85, 2576715), (255, 858905), (283, 773925), (425, 515343), (607, 360825), (849, 257975), (1275, 171781), (1415, 154785), (1821, 120275), (3035, 72165), (4245, 51595), (4811, 45525), (7075, 30957), (9105, 24055), (10319, 21225), (14433, 15175)]