128693745

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{383}}^1$

素因数の和:547

約数の個数: 64

約数和(自身を含む): 243302400

約数和(自身を除く): 114608655

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 131, 135, 171, 285, 383, 393, 513, 655, 855, 1149, 1179, 1915, 1965, 2489, 2565, 3447, 3537, 5745, 5895, 7277, 7467, 10341, 12445, 17235, 17685, 21831, 22401, 36385, 37335, 50173, 51705, 65493, 67203, 109155, 112005, 150519, 196479, 250865, 327465, 336015, 451557, 752595, 953287, 982395, 1354671, 2257785, 2859861, 4766435, 6773355, 8579583, 14299305, 25738749, 42897915, 128693745]

約数ペア:

[(1, 128693745), (3, 42897915), (5, 25738749), (9, 14299305), (15, 8579583), (19, 6773355), (27, 4766435), (45, 2859861), (57, 2257785), (95, 1354671), (131, 982395), (135, 953287), (171, 752595), (285, 451557), (383, 336015), (393, 327465), (513, 250865), (655, 196479), (855, 150519), (1149, 112005), (1179, 109155), (1915, 67203), (1965, 65493), (2489, 51705), (2565, 50173), (3447, 37335), (3537, 36385), (5745, 22401), (5895, 21831), (7277, 17685), (7467, 17235), (10341, 12445)]