12421917

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:160

約数の個数: 48

約数和(自身を含む): 20547072

約数和(自身を除く): 8125155

約数列:

[1, 3, 9, 17, 27, 31, 51, 81, 93, 97, 153, 243, 279, 291, 459, 527, 837, 873, 1377, 1581, 1649, 2511, 2619, 3007, 4131, 4743, 4947, 7533, 7857, 9021, 14229, 14841, 23571, 27063, 42687, 44523, 51119, 81189, 128061, 133569, 153357, 243567, 400707, 460071, 730701, 1380213, 4140639, 12421917]

約数ペア:

[(1, 12421917), (3, 4140639), (9, 1380213), (17, 730701), (27, 460071), (31, 400707), (51, 243567), (81, 153357), (93, 133569), (97, 128061), (153, 81189), (243, 51119), (279, 44523), (291, 42687), (459, 27063), (527, 23571), (837, 14841), (873, 14229), (1377, 9021), (1581, 7857), (1649, 7533), (2511, 4947), (2619, 4743), (3007, 4131)]