51271899

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 88719360

約数和(自身を除く): 37447461

約数列:

[1, 3, 7, 19, 21, 23, 37, 57, 69, 111, 133, 151, 161, 259, 399, 437, 453, 483, 703, 777, 851, 1057, 1311, 2109, 2553, 2869, 3059, 3171, 3473, 4921, 5587, 5957, 8607, 9177, 10419, 14763, 16169, 16761, 17871, 20083, 24311, 39109, 48507, 60249, 65987, 72933, 106153, 113183, 117327, 128501, 197961, 318459, 339549, 385503, 461909, 743071, 899507, 1385727, 2229213, 2441519, 2698521, 7324557, 17090633, 51271899]

約数ペア:

[(1, 51271899), (3, 17090633), (7, 7324557), (19, 2698521), (21, 2441519), (23, 2229213), (37, 1385727), (57, 899507), (69, 743071), (111, 461909), (133, 385503), (151, 339549), (161, 318459), (259, 197961), (399, 128501), (437, 117327), (453, 113183), (483, 106153), (703, 72933), (777, 65987), (851, 60249), (1057, 48507), (1311, 39109), (2109, 24311), (2553, 20083), (2869, 17871), (3059, 16761), (3171, 16169), (3473, 14763), (4921, 10419), (5587, 9177), (5957, 8607)]