203450709

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:450

約数の個数: 64

約数和(自身を含む): 356659200

約数和(自身を除く): 153208491

約数列:

[1, 3, 7, 11, 21, 23, 33, 69, 77, 149, 161, 231, 253, 257, 447, 483, 759, 771, 1043, 1639, 1771, 1799, 2827, 3129, 3427, 4917, 5313, 5397, 5911, 8481, 10281, 11473, 17733, 19789, 23989, 34419, 37697, 38293, 41377, 59367, 65021, 71967, 113091, 114879, 124131, 195063, 263879, 268051, 421223, 455147, 791637, 804153, 880739, 1263669, 1365441, 2642217, 2948561, 6165173, 8845683, 9688129, 18495519, 29064387, 67816903, 203450709]

約数ペア:

[(1, 203450709), (3, 67816903), (7, 29064387), (11, 18495519), (21, 9688129), (23, 8845683), (33, 6165173), (69, 2948561), (77, 2642217), (149, 1365441), (161, 1263669), (231, 880739), (253, 804153), (257, 791637), (447, 455147), (483, 421223), (759, 268051), (771, 263879), (1043, 195063), (1639, 124131), (1771, 114879), (1799, 113091), (2827, 71967), (3129, 65021), (3427, 59367), (4917, 41377), (5313, 38293), (5397, 37697), (5911, 34419), (8481, 23989), (10281, 19789), (11473, 17733)]