25228665

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{809}}^1$

素因数の和:844

約数の個数: 80

約数和(自身を含む): 56453760

約数和(自身を除く): 31225095

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 33, 35, 45, 55, 63, 77, 81, 99, 105, 135, 165, 189, 231, 297, 315, 385, 405, 495, 567, 693, 809, 891, 945, 1155, 1485, 2079, 2427, 2835, 3465, 4045, 4455, 5663, 6237, 7281, 8899, 10395, 12135, 16989, 21843, 26697, 28315, 31185, 36405, 44495, 50967, 62293, 65529, 80091, 84945, 109215, 133485, 152901, 186879, 240273, 254835, 311465, 327645, 400455, 458703, 560637, 720819, 764505, 934395, 1201365, 1681911, 2293515, 2803185, 3604095, 5045733, 8409555, 25228665]

約数ペア:

[(1, 25228665), (3, 8409555), (5, 5045733), (7, 3604095), (9, 2803185), (11, 2293515), (15, 1681911), (21, 1201365), (27, 934395), (33, 764505), (35, 720819), (45, 560637), (55, 458703), (63, 400455), (77, 327645), (81, 311465), (99, 254835), (105, 240273), (135, 186879), (165, 152901), (189, 133485), (231, 109215), (297, 84945), (315, 80091), (385, 65529), (405, 62293), (495, 50967), (567, 44495), (693, 36405), (809, 31185), (891, 28315), (945, 26697), (1155, 21843), (1485, 16989), (2079, 12135), (2427, 10395), (2835, 8899), (3465, 7281), (4045, 6237), (4455, 5663)]