128423925

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1217}}^1$

素因数の和:1307

約数の個数: 72

約数和(自身を含む): 267024576

約数和(自身を除く): 138600651

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 67, 75, 105, 175, 201, 225, 315, 335, 469, 525, 603, 1005, 1217, 1407, 1575, 1675, 2345, 3015, 3651, 4221, 5025, 6085, 7035, 8519, 10953, 11725, 15075, 18255, 21105, 25557, 30425, 35175, 42595, 54765, 76671, 81539, 91275, 105525, 127785, 212975, 244617, 273825, 383355, 407695, 570773, 638925, 733851, 1223085, 1712319, 1916775, 2038475, 2853865, 3669255, 5136957, 6115425, 8561595, 14269325, 18346275, 25684785, 42807975, 128423925]

約数ペア:

[(1, 128423925), (3, 42807975), (5, 25684785), (7, 18346275), (9, 14269325), (15, 8561595), (21, 6115425), (25, 5136957), (35, 3669255), (45, 2853865), (63, 2038475), (67, 1916775), (75, 1712319), (105, 1223085), (175, 733851), (201, 638925), (225, 570773), (315, 407695), (335, 383355), (469, 273825), (525, 244617), (603, 212975), (1005, 127785), (1217, 105525), (1407, 91275), (1575, 81539), (1675, 76671), (2345, 54765), (3015, 42595), (3651, 35175), (4221, 30425), (5025, 25557), (6085, 21105), (7035, 18255), (8519, 15075), (10953, 11725)]