4140639

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:157

約数の個数: 40

約数和(自身を含む): 6830208

約数和(自身を除く): 2689569

約数列:

[1, 3, 9, 17, 27, 31, 51, 81, 93, 97, 153, 279, 291, 459, 527, 837, 873, 1377, 1581, 1649, 2511, 2619, 3007, 4743, 4947, 7857, 9021, 14229, 14841, 27063, 42687, 44523, 51119, 81189, 133569, 153357, 243567, 460071, 1380213, 4140639]

約数ペア:

[(1, 4140639), (3, 1380213), (9, 460071), (17, 243567), (27, 153357), (31, 133569), (51, 81189), (81, 51119), (93, 44523), (97, 42687), (153, 27063), (279, 14841), (291, 14229), (459, 9021), (527, 7857), (837, 4947), (873, 4743), (1377, 3007), (1581, 2619), (1649, 2511)]