51789003

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:192

約数の個数: 64

約数和(自身を含む): 88473600

約数和(自身を除く): 36684597

約数列:

[1, 3, 7, 19, 21, 31, 53, 57, 79, 93, 133, 159, 217, 237, 371, 399, 553, 589, 651, 1007, 1113, 1501, 1643, 1659, 1767, 2449, 3021, 4123, 4187, 4503, 4929, 7049, 7347, 10507, 11501, 12369, 12561, 17143, 21147, 29309, 31217, 31521, 34503, 46531, 51429, 79553, 87927, 93651, 129797, 139593, 218519, 238659, 325717, 389391, 556871, 655557, 908579, 977151, 1670613, 2466143, 2725737, 7398429, 17263001, 51789003]

約数ペア:

[(1, 51789003), (3, 17263001), (7, 7398429), (19, 2725737), (21, 2466143), (31, 1670613), (53, 977151), (57, 908579), (79, 655557), (93, 556871), (133, 389391), (159, 325717), (217, 238659), (237, 218519), (371, 139593), (399, 129797), (553, 93651), (589, 87927), (651, 79553), (1007, 51429), (1113, 46531), (1501, 34503), (1643, 31521), (1659, 31217), (1767, 29309), (2449, 21147), (3021, 17143), (4123, 12561), (4187, 12369), (4503, 11501), (4929, 10507), (7049, 7347)]