18384327

素因数分解:

$3^4\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:134

約数の個数: 60

約数和(自身を含む): 31885920

約数和(自身を除く): 13501593

約数列:

[1, 3, 9, 13, 17, 27, 39, 51, 79, 81, 117, 153, 169, 221, 237, 351, 459, 507, 663, 711, 1027, 1053, 1343, 1377, 1521, 1989, 2133, 2873, 3081, 4029, 4563, 5967, 6399, 8619, 9243, 12087, 13351, 13689, 17459, 17901, 25857, 27729, 36261, 40053, 52377, 77571, 83187, 108783, 120159, 157131, 226967, 232713, 360477, 471393, 680901, 1081431, 1414179, 2042703, 6128109, 18384327]

約数ペア:

[(1, 18384327), (3, 6128109), (9, 2042703), (13, 1414179), (17, 1081431), (27, 680901), (39, 471393), (51, 360477), (79, 232713), (81, 226967), (117, 157131), (153, 120159), (169, 108783), (221, 83187), (237, 77571), (351, 52377), (459, 40053), (507, 36261), (663, 27729), (711, 25857), (1027, 17901), (1053, 17459), (1343, 13689), (1377, 13351), (1521, 12087), (1989, 9243), (2133, 8619), (2873, 6399), (3081, 5967), (4029, 4563)]