77779905

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:195

約数の個数: 96

約数和(自身を含む): 156017664

約数和(自身を除く): 78237759

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 43, 49, 69, 105, 107, 115, 129, 147, 161, 215, 245, 301, 321, 345, 483, 535, 645, 735, 749, 805, 903, 989, 1127, 1505, 1605, 2107, 2247, 2415, 2461, 2967, 3381, 3745, 4515, 4601, 4945, 5243, 5635, 6321, 6923, 7383, 10535, 11235, 12305, 13803, 14835, 15729, 16905, 17227, 20769, 23005, 26215, 31605, 32207, 34615, 36915, 48461, 51681, 69015, 78645, 86135, 96621, 103845, 105823, 120589, 145383, 161035, 225449, 242305, 258405, 317469, 361767, 483105, 529115, 602945, 676347, 726915, 740761, 1127245, 1587345, 1808835, 2222283, 3381735, 3703805, 5185327, 11111415, 15555981, 25926635, 77779905]

約数ペア:

[(1, 77779905), (3, 25926635), (5, 15555981), (7, 11111415), (15, 5185327), (21, 3703805), (23, 3381735), (35, 2222283), (43, 1808835), (49, 1587345), (69, 1127245), (105, 740761), (107, 726915), (115, 676347), (129, 602945), (147, 529115), (161, 483105), (215, 361767), (245, 317469), (301, 258405), (321, 242305), (345, 225449), (483, 161035), (535, 145383), (645, 120589), (735, 105823), (749, 103845), (805, 96621), (903, 86135), (989, 78645), (1127, 69015), (1505, 51681), (1605, 48461), (2107, 36915), (2247, 34615), (2415, 32207), (2461, 31605), (2967, 26215), (3381, 23005), (3745, 20769), (4515, 17227), (4601, 16905), (4945, 15729), (5243, 14835), (5635, 13803), (6321, 12305), (6923, 11235), (7383, 10535)]