30209517

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 49777728

約数和(自身を除く): 19568211

約数列:

[1, 3, 9, 13, 27, 39, 73, 81, 117, 131, 219, 243, 351, 393, 657, 949, 1053, 1179, 1703, 1971, 2847, 3159, 3537, 5109, 5913, 8541, 9563, 10611, 15327, 17739, 25623, 28689, 31833, 45981, 76869, 86067, 124319, 137943, 230607, 258201, 372957, 413829, 774603, 1118871, 2323809, 3356613, 10069839, 30209517]

約数ペア:

[(1, 30209517), (3, 10069839), (9, 3356613), (13, 2323809), (27, 1118871), (39, 774603), (73, 413829), (81, 372957), (117, 258201), (131, 230607), (219, 137943), (243, 124319), (351, 86067), (393, 76869), (657, 45981), (949, 31833), (1053, 28689), (1179, 25623), (1703, 17739), (1971, 15327), (2847, 10611), (3159, 9563), (3537, 8541), (5109, 5913)]