128658465

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{761}}^1$

素因数の和:819

約数の個数: 72

約数和(自身を含む): 255455928

約数和(自身を除く): 126797463

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 221, 255, 289, 585, 663, 761, 765, 867, 1105, 1445, 1989, 2283, 2601, 3315, 3757, 3805, 4335, 6849, 9893, 9945, 11271, 11415, 12937, 13005, 18785, 29679, 33813, 34245, 38811, 49465, 56355, 64685, 89037, 116433, 148395, 168181, 169065, 194055, 219929, 445185, 504543, 582165, 659787, 840905, 1099645, 1513629, 1979361, 2522715, 2859077, 3298935, 7568145, 8577231, 9896805, 14295385, 25731693, 42886155, 128658465]

約数ペア:

[(1, 128658465), (3, 42886155), (5, 25731693), (9, 14295385), (13, 9896805), (15, 8577231), (17, 7568145), (39, 3298935), (45, 2859077), (51, 2522715), (65, 1979361), (85, 1513629), (117, 1099645), (153, 840905), (195, 659787), (221, 582165), (255, 504543), (289, 445185), (585, 219929), (663, 194055), (761, 169065), (765, 168181), (867, 148395), (1105, 116433), (1445, 89037), (1989, 64685), (2283, 56355), (2601, 49465), (3315, 38811), (3757, 34245), (3805, 33813), (4335, 29679), (6849, 18785), (9893, 13005), (9945, 12937), (11271, 11415)]