31593159

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 52040352

約数和(自身を除く): 20447193

約数列:

[1, 3, 9, 13, 27, 39, 73, 81, 117, 137, 219, 243, 351, 411, 657, 949, 1053, 1233, 1781, 1971, 2847, 3159, 3699, 5343, 5913, 8541, 10001, 11097, 16029, 17739, 25623, 30003, 33291, 48087, 76869, 90009, 130013, 144261, 230607, 270027, 390039, 432783, 810081, 1170117, 2430243, 3510351, 10531053, 31593159]

約数ペア:

[(1, 31593159), (3, 10531053), (9, 3510351), (13, 2430243), (27, 1170117), (39, 810081), (73, 432783), (81, 390039), (117, 270027), (137, 230607), (219, 144261), (243, 130013), (351, 90009), (411, 76869), (657, 48087), (949, 33291), (1053, 30003), (1233, 25623), (1781, 17739), (1971, 16029), (2847, 11097), (3159, 10001), (3699, 8541), (5343, 5913)]