128862567

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{269}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 206219520

約数和(自身を除く): 77356953

約数列:

[1, 3, 9, 17, 31, 51, 93, 101, 153, 269, 279, 303, 527, 807, 909, 1581, 1717, 2421, 3131, 4573, 4743, 5151, 8339, 9393, 13719, 15453, 25017, 27169, 28179, 41157, 53227, 75051, 81507, 141763, 159681, 244521, 425289, 461873, 479043, 842239, 1275867, 1385619, 2526717, 4156857, 7580151, 14318063, 42954189, 128862567]

約数ペア:

[(1, 128862567), (3, 42954189), (9, 14318063), (17, 7580151), (31, 4156857), (51, 2526717), (93, 1385619), (101, 1275867), (153, 842239), (269, 479043), (279, 461873), (303, 425289), (527, 244521), (807, 159681), (909, 141763), (1581, 81507), (1717, 75051), (2421, 53227), (3131, 41157), (4573, 28179), (4743, 27169), (5151, 25017), (8339, 15453), (9393, 13719)]