12661845

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:159

約数の個数: 64

約数和(自身を含む): 24883200

約数和(自身を除く): 12221355

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 49, 69, 105, 107, 115, 147, 161, 245, 321, 343, 345, 483, 535, 735, 749, 805, 1029, 1127, 1605, 1715, 2247, 2415, 2461, 3381, 3745, 5145, 5243, 5635, 7383, 7889, 11235, 12305, 15729, 16905, 17227, 23667, 26215, 36701, 36915, 39445, 51681, 78645, 86135, 110103, 118335, 120589, 183505, 258405, 361767, 550515, 602945, 844123, 1808835, 2532369, 4220615, 12661845]

約数ペア:

[(1, 12661845), (3, 4220615), (5, 2532369), (7, 1808835), (15, 844123), (21, 602945), (23, 550515), (35, 361767), (49, 258405), (69, 183505), (105, 120589), (107, 118335), (115, 110103), (147, 86135), (161, 78645), (245, 51681), (321, 39445), (343, 36915), (345, 36701), (483, 26215), (535, 23667), (735, 17227), (749, 16905), (805, 15729), (1029, 12305), (1127, 11235), (1605, 7889), (1715, 7383), (2247, 5635), (2415, 5243), (2461, 5145), (3381, 3745)]