205969785

素因数分解:

$3^1\times 5^1\times 7^5\times {\mathrm{19}}^1\times {\mathrm{43}}^1$

素因数の和:105

約数の個数: 96

約数和(自身を含む): 414120960

約数和(自身を除く): 208151175

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 43, 49, 57, 95, 105, 129, 133, 147, 215, 245, 285, 301, 343, 399, 645, 665, 735, 817, 903, 931, 1029, 1505, 1715, 1995, 2107, 2401, 2451, 2793, 4085, 4515, 4655, 5145, 5719, 6321, 6517, 7203, 10535, 12005, 12255, 13965, 14749, 16807, 17157, 19551, 28595, 31605, 32585, 36015, 40033, 44247, 45619, 50421, 73745, 84035, 85785, 97755, 103243, 120099, 136857, 200165, 221235, 228095, 252105, 280231, 309729, 319333, 516215, 600495, 684285, 722701, 840693, 957999, 1401155, 1548645, 1596665, 1961617, 2168103, 3613505, 4203465, 4789995, 5884851, 9808085, 10840515, 13731319, 29424255, 41193957, 68656595, 205969785]

約数ペア:

[(1, 205969785), (3, 68656595), (5, 41193957), (7, 29424255), (15, 13731319), (19, 10840515), (21, 9808085), (35, 5884851), (43, 4789995), (49, 4203465), (57, 3613505), (95, 2168103), (105, 1961617), (129, 1596665), (133, 1548645), (147, 1401155), (215, 957999), (245, 840693), (285, 722701), (301, 684285), (343, 600495), (399, 516215), (645, 319333), (665, 309729), (735, 280231), (817, 252105), (903, 228095), (931, 221235), (1029, 200165), (1505, 136857), (1715, 120099), (1995, 103243), (2107, 97755), (2401, 85785), (2451, 84035), (2793, 73745), (4085, 50421), (4515, 45619), (4655, 44247), (5145, 40033), (5719, 36015), (6321, 32585), (6517, 31605), (7203, 28595), (10535, 19551), (12005, 17157), (12255, 16807), (13965, 14749)]