205651737

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:303

約数の個数: 64

約数和(自身を含む): 338688000

約数和(自身を除く): 133036263

約数列:

[1, 3, 9, 17, 27, 31, 51, 93, 97, 149, 153, 279, 291, 447, 459, 527, 837, 873, 1341, 1581, 1649, 2533, 2619, 3007, 4023, 4619, 4743, 4947, 7599, 9021, 13857, 14229, 14453, 14841, 22797, 27063, 41571, 43359, 44523, 51119, 68391, 78523, 81189, 124713, 130077, 153357, 235569, 245701, 390231, 448043, 460071, 706707, 737103, 1344129, 1380213, 2120121, 2211309, 4032387, 6633927, 7616731, 12097161, 22850193, 68550579, 205651737]

約数ペア:

[(1, 205651737), (3, 68550579), (9, 22850193), (17, 12097161), (27, 7616731), (31, 6633927), (51, 4032387), (93, 2211309), (97, 2120121), (149, 1380213), (153, 1344129), (279, 737103), (291, 706707), (447, 460071), (459, 448043), (527, 390231), (837, 245701), (873, 235569), (1341, 153357), (1581, 130077), (1649, 124713), (2533, 81189), (2619, 78523), (3007, 68391), (4023, 51119), (4619, 44523), (4743, 43359), (4947, 41571), (7599, 27063), (9021, 22797), (13857, 14841), (14229, 14453)]