340990671

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:304

約数の個数: 64

約数和(自身を含む): 558535680

約数和(自身を除く): 217545009

約数列:

[1, 3, 7, 21, 29, 61, 67, 87, 137, 183, 201, 203, 411, 427, 469, 609, 959, 1281, 1407, 1769, 1943, 2877, 3973, 4087, 5307, 5829, 8357, 9179, 11919, 12261, 12383, 13601, 25071, 27537, 27811, 28609, 37149, 40803, 58499, 64253, 83433, 85827, 118523, 175497, 192759, 242353, 266191, 355569, 559919, 727059, 798573, 829661, 1679757, 1696471, 1863337, 2488983, 3919433, 5089413, 5590011, 11758299, 16237651, 48712953, 113663557, 340990671]

約数ペア:

[(1, 340990671), (3, 113663557), (7, 48712953), (21, 16237651), (29, 11758299), (61, 5590011), (67, 5089413), (87, 3919433), (137, 2488983), (183, 1863337), (201, 1696471), (203, 1679757), (411, 829661), (427, 798573), (469, 727059), (609, 559919), (959, 355569), (1281, 266191), (1407, 242353), (1769, 192759), (1943, 175497), (2877, 118523), (3973, 85827), (4087, 83433), (5307, 64253), (5829, 58499), (8357, 40803), (9179, 37149), (11919, 28609), (12261, 27811), (12383, 27537), (13601, 25071)]