261121806

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{277}}^1$

素因数の和:348

約数の個数: 120

約数和(自身を含む): 669665304

約数和(自身を除く): 408543498

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 23, 27, 33, 46, 54, 66, 69, 81, 99, 138, 162, 198, 207, 253, 277, 297, 414, 506, 529, 554, 594, 621, 759, 831, 891, 1058, 1242, 1518, 1587, 1662, 1782, 1863, 2277, 2493, 3047, 3174, 3726, 4554, 4761, 4986, 5819, 6094, 6371, 6831, 7479, 9141, 9522, 11638, 12742, 13662, 14283, 14958, 17457, 18282, 19113, 20493, 22437, 27423, 28566, 34914, 38226, 40986, 42849, 44874, 52371, 54846, 57339, 70081, 82269, 85698, 104742, 114678, 140162, 146533, 157113, 164538, 172017, 210243, 246807, 293066, 314226, 344034, 420486, 439599, 471339, 493614, 516051, 630729, 879198, 942678, 1032102, 1261458, 1318797, 1611863, 1892187, 2637594, 3223726, 3784374, 3956391, 4835589, 5676561, 7912782, 9671178, 11353122, 11869173, 14506767, 23738346, 29013534, 43520301, 87040602, 130560903, 261121806]

約数ペア:

[(1, 261121806), (2, 130560903), (3, 87040602), (6, 43520301), (9, 29013534), (11, 23738346), (18, 14506767), (22, 11869173), (23, 11353122), (27, 9671178), (33, 7912782), (46, 5676561), (54, 4835589), (66, 3956391), (69, 3784374), (81, 3223726), (99, 2637594), (138, 1892187), (162, 1611863), (198, 1318797), (207, 1261458), (253, 1032102), (277, 942678), (297, 879198), (414, 630729), (506, 516051), (529, 493614), (554, 471339), (594, 439599), (621, 420486), (759, 344034), (831, 314226), (891, 293066), (1058, 246807), (1242, 210243), (1518, 172017), (1587, 164538), (1662, 157113), (1782, 146533), (1863, 140162), (2277, 114678), (2493, 104742), (3047, 85698), (3174, 82269), (3726, 70081), (4554, 57339), (4761, 54846), (4986, 52371), (5819, 44874), (6094, 42849), (6371, 40986), (6831, 38226), (7479, 34914), (9141, 28566), (9522, 27423), (11638, 22437), (12742, 20493), (13662, 19113), (14283, 18282), (14958, 17457)]