123575145

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:326

約数の個数: 64

約数和(自身を含む): 218972160

約数和(自身を除く): 95397015

約数列:

[1, 3, 5, 15, 19, 31, 57, 71, 93, 95, 155, 197, 213, 285, 355, 465, 589, 591, 985, 1065, 1349, 1767, 2201, 2945, 2955, 3743, 4047, 6107, 6603, 6745, 8835, 11005, 11229, 13987, 18321, 18715, 20235, 30535, 33015, 41819, 41961, 56145, 69935, 91605, 116033, 125457, 209095, 209805, 265753, 348099, 433597, 580165, 627285, 797259, 1300791, 1328765, 1740495, 2167985, 3986295, 6503955, 8238343, 24715029, 41191715, 123575145]

約数ペア:

[(1, 123575145), (3, 41191715), (5, 24715029), (15, 8238343), (19, 6503955), (31, 3986295), (57, 2167985), (71, 1740495), (93, 1328765), (95, 1300791), (155, 797259), (197, 627285), (213, 580165), (285, 433597), (355, 348099), (465, 265753), (589, 209805), (591, 209095), (985, 125457), (1065, 116033), (1349, 91605), (1767, 69935), (2201, 56145), (2945, 41961), (2955, 41819), (3743, 33015), (4047, 30535), (6107, 20235), (6603, 18715), (6745, 18321), (8835, 13987), (11005, 11229)]