1380213

素因数分解:

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

素因数の和:154

約数の個数: 32

約数和(自身を含む): 2257920

約数和(自身を除く): 877707

約数列:

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

約数ペア:

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