178335729

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:93

約数の個数: 144

約数和(自身を含む): 350481600

約数和(自身を除く): 172145871

約数列:

[1, 3, 9, 11, 13, 17, 19, 27, 33, 39, 51, 57, 99, 117, 121, 143, 153, 169, 171, 187, 209, 221, 247, 297, 323, 351, 363, 429, 459, 507, 513, 561, 627, 663, 741, 969, 1089, 1287, 1521, 1573, 1683, 1859, 1881, 1989, 2057, 2223, 2299, 2431, 2717, 2873, 2907, 3211, 3267, 3553, 3861, 4199, 4563, 4719, 5049, 5577, 5643, 5967, 6171, 6669, 6897, 7293, 8151, 8619, 8721, 9633, 10659, 12597, 14157, 16731, 18513, 20449, 20691, 21879, 24453, 25857, 26741, 28899, 29887, 31603, 31977, 35321, 37791, 39083, 42471, 46189, 50193, 54587, 55539, 61347, 62073, 65637, 73359, 77571, 80223, 86697, 89661, 94809, 95931, 105963, 113373, 117249, 138567, 163761, 184041, 240669, 268983, 284427, 317889, 347633, 351747, 388531, 415701, 491283, 508079, 552123, 600457, 722007, 806949, 853281, 953667, 1042899, 1055241, 1165593, 1247103, 1473849, 1524237, 1801371, 3128697, 3496779, 4572711, 5404113, 6605027, 9386091, 10490337, 13718133, 16212339, 19815081, 59445243, 178335729]

約数ペア:

[(1, 178335729), (3, 59445243), (9, 19815081), (11, 16212339), (13, 13718133), (17, 10490337), (19, 9386091), (27, 6605027), (33, 5404113), (39, 4572711), (51, 3496779), (57, 3128697), (99, 1801371), (117, 1524237), (121, 1473849), (143, 1247103), (153, 1165593), (169, 1055241), (171, 1042899), (187, 953667), (209, 853281), (221, 806949), (247, 722007), (297, 600457), (323, 552123), (351, 508079), (363, 491283), (429, 415701), (459, 388531), (507, 351747), (513, 347633), (561, 317889), (627, 284427), (663, 268983), (741, 240669), (969, 184041), (1089, 163761), (1287, 138567), (1521, 117249), (1573, 113373), (1683, 105963), (1859, 95931), (1881, 94809), (1989, 89661), (2057, 86697), (2223, 80223), (2299, 77571), (2431, 73359), (2717, 65637), (2873, 62073), (2907, 61347), (3211, 55539), (3267, 54587), (3553, 50193), (3861, 46189), (4199, 42471), (4563, 39083), (4719, 37791), (5049, 35321), (5577, 31977), (5643, 31603), (5967, 29887), (6171, 28899), (6669, 26741), (6897, 25857), (7293, 24453), (8151, 21879), (8619, 20691), (8721, 20449), (9633, 18513), (10659, 16731), (12597, 14157)]