27272727

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:320

約数の個数: 32

約数和(自身を含む): 41664960

約数和(自身を除く): 14392233

約数列:

[1, 3, 9, 27, 73, 101, 137, 219, 303, 411, 657, 909, 1233, 1971, 2727, 3699, 7373, 10001, 13837, 22119, 30003, 41511, 66357, 90009, 124533, 199071, 270027, 373599, 1010101, 3030303, 9090909, 27272727]

約数ペア:

[(1, 27272727), (3, 9090909), (9, 3030303), (27, 1010101), (73, 373599), (101, 270027), (137, 199071), (219, 124533), (303, 90009), (411, 66357), (657, 41511), (909, 30003), (1233, 22119), (1971, 13837), (2727, 10001), (3699, 7373)]