742156989

素因数分解:

$3^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{193}}^1$

素因数の和:355

約数の個数: 64

約数和(自身を含む): 1203110400

約数和(自身を除く): 460953411

約数列:

[1, 3, 7, 21, 37, 49, 101, 111, 147, 193, 259, 303, 343, 579, 707, 777, 1029, 1351, 1813, 2121, 3737, 4053, 4949, 5439, 7141, 9457, 11211, 12691, 14847, 19493, 21423, 26159, 28371, 34643, 38073, 49987, 58479, 66199, 78477, 103929, 136451, 149961, 183113, 198597, 349909, 409353, 549339, 721241, 955157, 1049727, 1281791, 2163723, 2449363, 2865471, 3845373, 5048687, 6686099, 7348089, 15146061, 20058297, 35340809, 106022427, 247385663, 742156989]

約数ペア:

[(1, 742156989), (3, 247385663), (7, 106022427), (21, 35340809), (37, 20058297), (49, 15146061), (101, 7348089), (111, 6686099), (147, 5048687), (193, 3845373), (259, 2865471), (303, 2449363), (343, 2163723), (579, 1281791), (707, 1049727), (777, 955157), (1029, 721241), (1351, 549339), (1813, 409353), (2121, 349909), (3737, 198597), (4053, 183113), (4949, 149961), (5439, 136451), (7141, 103929), (9457, 78477), (11211, 66199), (12691, 58479), (14847, 49987), (19493, 38073), (21423, 34643), (26159, 28371)]