279459039

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 434958336

約数和(自身を除く): 155499297

約数列:

[1, 3, 17, 23, 37, 47, 51, 69, 111, 137, 141, 391, 411, 629, 799, 851, 1081, 1173, 1739, 1887, 2329, 2397, 2553, 3151, 3243, 5069, 5217, 6439, 6987, 9453, 14467, 15207, 18377, 19317, 29563, 39997, 43401, 53567, 55131, 86173, 88689, 109463, 116587, 119991, 148097, 160701, 238243, 258519, 328389, 349761, 444291, 679949, 714729, 1981979, 2039847, 2517649, 4050131, 5479589, 5945937, 7552947, 12150393, 16438767, 93153013, 279459039]

約数ペア:

[(1, 279459039), (3, 93153013), (17, 16438767), (23, 12150393), (37, 7552947), (47, 5945937), (51, 5479589), (69, 4050131), (111, 2517649), (137, 2039847), (141, 1981979), (391, 714729), (411, 679949), (629, 444291), (799, 349761), (851, 328389), (1081, 258519), (1173, 238243), (1739, 160701), (1887, 148097), (2329, 119991), (2397, 116587), (2553, 109463), (3151, 88689), (3243, 86173), (5069, 55131), (5217, 53567), (6439, 43401), (6987, 39997), (9453, 29563), (14467, 19317), (15207, 18377)]