16549995

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:145

約数の個数: 96

約数和(自身を含む): 35458560

約数和(自身を除く): 18908565

約数列:

[1, 3, 5, 7, 11, 15, 21, 23, 33, 35, 49, 55, 69, 77, 89, 105, 115, 147, 161, 165, 231, 245, 253, 267, 345, 385, 445, 483, 539, 623, 735, 759, 805, 979, 1127, 1155, 1265, 1335, 1617, 1771, 1869, 2047, 2415, 2695, 2937, 3115, 3381, 3795, 4361, 4895, 5313, 5635, 6141, 6853, 8085, 8855, 9345, 10235, 12397, 13083, 14329, 14685, 16905, 20559, 21805, 22517, 26565, 30705, 34265, 37191, 42987, 47971, 61985, 65415, 67551, 71645, 100303, 102795, 112585, 143913, 157619, 185955, 214935, 239855, 300909, 337755, 472857, 501515, 719565, 788095, 1103333, 1504545, 2364285, 3309999, 5516665, 16549995]

約数ペア:

[(1, 16549995), (3, 5516665), (5, 3309999), (7, 2364285), (11, 1504545), (15, 1103333), (21, 788095), (23, 719565), (33, 501515), (35, 472857), (49, 337755), (55, 300909), (69, 239855), (77, 214935), (89, 185955), (105, 157619), (115, 143913), (147, 112585), (161, 102795), (165, 100303), (231, 71645), (245, 67551), (253, 65415), (267, 61985), (345, 47971), (385, 42987), (445, 37191), (483, 34265), (539, 30705), (623, 26565), (735, 22517), (759, 21805), (805, 20559), (979, 16905), (1127, 14685), (1155, 14329), (1265, 13083), (1335, 12397), (1617, 10235), (1771, 9345), (1869, 8855), (2047, 8085), (2415, 6853), (2695, 6141), (2937, 5635), (3115, 5313), (3381, 4895), (3795, 4361)]