27966309

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:103

約数の個数: 72

約数和(自身を含む): 50035968

約数和(自身を除く): 22069659

約数列:

[1, 3, 7, 17, 19, 21, 31, 49, 51, 57, 93, 119, 133, 147, 217, 323, 357, 361, 399, 527, 589, 651, 833, 931, 969, 1083, 1519, 1581, 1767, 2261, 2499, 2527, 2793, 3689, 4123, 4557, 6137, 6783, 7581, 10013, 11067, 11191, 12369, 15827, 17689, 18411, 25823, 28861, 30039, 33573, 42959, 47481, 53067, 70091, 77469, 78337, 86583, 128877, 190247, 210273, 235011, 300713, 490637, 548359, 570741, 902139, 1331729, 1471911, 1645077, 3995187, 9322103, 27966309]

約数ペア:

[(1, 27966309), (3, 9322103), (7, 3995187), (17, 1645077), (19, 1471911), (21, 1331729), (31, 902139), (49, 570741), (51, 548359), (57, 490637), (93, 300713), (119, 235011), (133, 210273), (147, 190247), (217, 128877), (323, 86583), (357, 78337), (361, 77469), (399, 70091), (527, 53067), (589, 47481), (651, 42959), (833, 33573), (931, 30039), (969, 28861), (1083, 25823), (1519, 18411), (1581, 17689), (1767, 15827), (2261, 12369), (2499, 11191), (2527, 11067), (2793, 10013), (3689, 7581), (4123, 6783), (4557, 6137)]