2120121

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:206

約数の個数: 32

約数和(自身を含む): 3456000

約数和(自身を除く): 1335879

約数列:

[1, 3, 9, 17, 27, 31, 51, 93, 149, 153, 279, 447, 459, 527, 837, 1341, 1581, 2533, 4023, 4619, 4743, 7599, 13857, 14229, 22797, 41571, 68391, 78523, 124713, 235569, 706707, 2120121]

約数ペア:

[(1, 2120121), (3, 706707), (9, 235569), (17, 124713), (27, 78523), (31, 68391), (51, 41571), (93, 22797), (149, 14229), (153, 13857), (279, 7599), (447, 4743), (459, 4619), (527, 4023), (837, 2533), (1341, 1581)]