181787463

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{239}}^1$

素因数の和:469

約数の個数: 64

約数和(自身を含む): 319334400

約数和(自身を除く): 137546937

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 117, 143, 197, 239, 297, 351, 429, 591, 717, 1287, 1773, 2151, 2167, 2561, 2629, 3107, 3861, 5319, 6453, 6501, 7683, 7887, 9321, 19503, 23049, 23661, 27963, 28171, 34177, 47083, 58509, 69147, 70983, 83889, 84513, 102531, 141249, 253539, 307593, 423747, 517913, 612079, 760617, 922779, 1271241, 1553739, 1836237, 4661217, 5508711, 6732869, 13983651, 16526133, 20198607, 60595821, 181787463]

約数ペア:

[(1, 181787463), (3, 60595821), (9, 20198607), (11, 16526133), (13, 13983651), (27, 6732869), (33, 5508711), (39, 4661217), (99, 1836237), (117, 1553739), (143, 1271241), (197, 922779), (239, 760617), (297, 612079), (351, 517913), (429, 423747), (591, 307593), (717, 253539), (1287, 141249), (1773, 102531), (2151, 84513), (2167, 83889), (2561, 70983), (2629, 69147), (3107, 58509), (3861, 47083), (5319, 34177), (6453, 28171), (6501, 27963), (7683, 23661), (7887, 23049), (9321, 19503)]