65980215

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1301}}^1$

素因数の和:1349

約数の個数: 72

約数和(自身を含む): 138928608

約数和(自身を除く): 72948393

約数列:

[1, 3, 5, 7, 9, 15, 21, 23, 35, 45, 49, 63, 69, 105, 115, 147, 161, 207, 245, 315, 345, 441, 483, 735, 805, 1035, 1127, 1301, 1449, 2205, 2415, 3381, 3903, 5635, 6505, 7245, 9107, 10143, 11709, 16905, 19515, 27321, 29923, 45535, 50715, 58545, 63749, 81963, 89769, 136605, 149615, 191247, 209461, 269307, 318745, 409815, 448845, 573741, 628383, 956235, 1047305, 1346535, 1466227, 1885149, 2868705, 3141915, 4398681, 7331135, 9425745, 13196043, 21993405, 65980215]

約数ペア:

[(1, 65980215), (3, 21993405), (5, 13196043), (7, 9425745), (9, 7331135), (15, 4398681), (21, 3141915), (23, 2868705), (35, 1885149), (45, 1466227), (49, 1346535), (63, 1047305), (69, 956235), (105, 628383), (115, 573741), (147, 448845), (161, 409815), (207, 318745), (245, 269307), (315, 209461), (345, 191247), (441, 149615), (483, 136605), (735, 89769), (805, 81963), (1035, 63749), (1127, 58545), (1301, 50715), (1449, 45535), (2205, 29923), (2415, 27321), (3381, 19515), (3903, 16905), (5635, 11709), (6505, 10143), (7245, 9107)]