212603859

素因数分解:

$3^5\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 358106112

約数和(自身を除く): 145502253

約数列:

[1, 3, 9, 13, 27, 31, 39, 81, 93, 117, 167, 169, 243, 279, 351, 403, 501, 507, 837, 1053, 1209, 1503, 1521, 2171, 2511, 3159, 3627, 4509, 4563, 5177, 5239, 6513, 7533, 10881, 13527, 13689, 15531, 15717, 19539, 28223, 32643, 40581, 41067, 46593, 47151, 58617, 67301, 84669, 97929, 139779, 141453, 175851, 201903, 254007, 419337, 424359, 527553, 605709, 762021, 874913, 1258011, 1273077, 1817127, 2286063, 2624739, 5451381, 6858189, 7874217, 16354143, 23622651, 70867953, 212603859]

約数ペア:

[(1, 212603859), (3, 70867953), (9, 23622651), (13, 16354143), (27, 7874217), (31, 6858189), (39, 5451381), (81, 2624739), (93, 2286063), (117, 1817127), (167, 1273077), (169, 1258011), (243, 874913), (279, 762021), (351, 605709), (403, 527553), (501, 424359), (507, 419337), (837, 254007), (1053, 201903), (1209, 175851), (1503, 141453), (1521, 139779), (2171, 97929), (2511, 84669), (3159, 67301), (3627, 58617), (4509, 47151), (4563, 46593), (5177, 41067), (5239, 40581), (6513, 32643), (7533, 28223), (10881, 19539), (13527, 15717), (13689, 15531)]