2008209915

素因数分解:

$3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^2$

素因数の和:259

約数の個数: 120

約数和(自身を含む): 3975599232

約数和(自身を除く): 1967389317

約数列:

[1, 3, 5, 9, 15, 17, 27, 31, 45, 51, 81, 85, 93, 97, 135, 153, 155, 255, 279, 291, 405, 459, 465, 485, 527, 765, 837, 873, 1377, 1395, 1455, 1581, 1649, 2295, 2511, 2619, 2635, 3007, 4185, 4365, 4743, 4947, 6885, 7857, 7905, 8245, 9021, 9409, 12555, 13095, 14229, 14841, 15035, 23715, 24735, 27063, 28227, 39285, 42687, 44523, 45105, 47045, 51119, 71145, 74205, 81189, 84681, 133569, 135315, 141135, 153357, 159953, 213435, 222615, 243567, 254043, 255595, 291679, 405945, 423405, 460071, 479859, 667845, 762129, 766785, 799765, 875037, 1217835, 1270215, 1380213, 1439577, 1458395, 2300355, 2399295, 2625111, 3810645, 4140639, 4318731, 4375185, 4958543, 6901065, 7197885, 7875333, 12956193, 13125555, 14875629, 20703195, 21593655, 23625999, 24792715, 39376665, 44626887, 64780965, 74378145, 118129995, 133880661, 223134435, 401641983, 669403305, 2008209915]

約数ペア:

[(1, 2008209915), (3, 669403305), (5, 401641983), (9, 223134435), (15, 133880661), (17, 118129995), (27, 74378145), (31, 64780965), (45, 44626887), (51, 39376665), (81, 24792715), (85, 23625999), (93, 21593655), (97, 20703195), (135, 14875629), (153, 13125555), (155, 12956193), (255, 7875333), (279, 7197885), (291, 6901065), (405, 4958543), (459, 4375185), (465, 4318731), (485, 4140639), (527, 3810645), (765, 2625111), (837, 2399295), (873, 2300355), (1377, 1458395), (1395, 1439577), (1455, 1380213), (1581, 1270215), (1649, 1217835), (2295, 875037), (2511, 799765), (2619, 766785), (2635, 762129), (3007, 667845), (4185, 479859), (4365, 460071), (4743, 423405), (4947, 405945), (6885, 291679), (7857, 255595), (7905, 254043), (8245, 243567), (9021, 222615), (9409, 213435), (12555, 159953), (13095, 153357), (14229, 141135), (14841, 135315), (15035, 133569), (23715, 84681), (24735, 81189), (27063, 74205), (28227, 71145), (39285, 51119), (42687, 47045), (44523, 45105)]