25694865

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:339

約数の個数: 72

約数和(自身を含む): 53209728

約数和(自身を除く): 27514863

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 43, 45, 49, 63, 105, 129, 147, 215, 245, 271, 301, 315, 387, 441, 645, 735, 813, 903, 1355, 1505, 1897, 1935, 2107, 2205, 2439, 2709, 4065, 4515, 5691, 6321, 9485, 10535, 11653, 12195, 13279, 13545, 17073, 18963, 28455, 31605, 34959, 39837, 58265, 66395, 81571, 85365, 94815, 104877, 119511, 174795, 199185, 244713, 407855, 524385, 570997, 597555, 734139, 1223565, 1712991, 2854985, 3670695, 5138973, 8564955, 25694865]

約数ペア:

[(1, 25694865), (3, 8564955), (5, 5138973), (7, 3670695), (9, 2854985), (15, 1712991), (21, 1223565), (35, 734139), (43, 597555), (45, 570997), (49, 524385), (63, 407855), (105, 244713), (129, 199185), (147, 174795), (215, 119511), (245, 104877), (271, 94815), (301, 85365), (315, 81571), (387, 66395), (441, 58265), (645, 39837), (735, 34959), (813, 31605), (903, 28455), (1355, 18963), (1505, 17073), (1897, 13545), (1935, 13279), (2107, 12195), (2205, 11653), (2439, 10535), (2709, 9485), (4065, 6321), (4515, 5691)]