219902655

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:205

約数の個数: 96

約数和(自身を含む): 435746304

約数和(自身を除く): 215843649

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 37, 69, 105, 107, 111, 115, 161, 185, 259, 321, 345, 483, 529, 535, 555, 749, 777, 805, 851, 1295, 1587, 1605, 2247, 2415, 2461, 2553, 2645, 3703, 3745, 3885, 3959, 4255, 5957, 7383, 7935, 11109, 11235, 11877, 12305, 12765, 17227, 17871, 18515, 19573, 19795, 27713, 29785, 36915, 51681, 55545, 56603, 58719, 59385, 83139, 86135, 89355, 91057, 97865, 137011, 138565, 169809, 258405, 273171, 283015, 293595, 396221, 411033, 415695, 455285, 637399, 685055, 849045, 1188663, 1365855, 1912197, 1981105, 2055165, 2094311, 3186995, 5943315, 6282933, 9560985, 10471555, 14660177, 31414665, 43980531, 73300885, 219902655]

約数ペア:

[(1, 219902655), (3, 73300885), (5, 43980531), (7, 31414665), (15, 14660177), (21, 10471555), (23, 9560985), (35, 6282933), (37, 5943315), (69, 3186995), (105, 2094311), (107, 2055165), (111, 1981105), (115, 1912197), (161, 1365855), (185, 1188663), (259, 849045), (321, 685055), (345, 637399), (483, 455285), (529, 415695), (535, 411033), (555, 396221), (749, 293595), (777, 283015), (805, 273171), (851, 258405), (1295, 169809), (1587, 138565), (1605, 137011), (2247, 97865), (2415, 91057), (2461, 89355), (2553, 86135), (2645, 83139), (3703, 59385), (3745, 58719), (3885, 56603), (3959, 55545), (4255, 51681), (5957, 36915), (7383, 29785), (7935, 27713), (11109, 19795), (11235, 19573), (11877, 18515), (12305, 17871), (12765, 17227)]