64186749

素因数分解:

$3^5\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:133

約数の個数: 72

約数和(自身を含む): 110379360

約数和(自身を除く): 46192611

約数列:

[1, 3, 9, 11, 27, 33, 37, 59, 81, 99, 111, 121, 177, 243, 297, 333, 363, 407, 531, 649, 891, 999, 1089, 1221, 1593, 1947, 2183, 2673, 2997, 3267, 3663, 4477, 4779, 5841, 6549, 7139, 8991, 9801, 10989, 13431, 14337, 17523, 19647, 21417, 24013, 29403, 32967, 40293, 52569, 58941, 64251, 72039, 98901, 120879, 157707, 176823, 192753, 216117, 264143, 362637, 530469, 578259, 648351, 792429, 1087911, 1734777, 1945053, 2377287, 5835159, 7131861, 21395583, 64186749]

約数ペア:

[(1, 64186749), (3, 21395583), (9, 7131861), (11, 5835159), (27, 2377287), (33, 1945053), (37, 1734777), (59, 1087911), (81, 792429), (99, 648351), (111, 578259), (121, 530469), (177, 362637), (243, 264143), (297, 216117), (333, 192753), (363, 176823), (407, 157707), (531, 120879), (649, 98901), (891, 72039), (999, 64251), (1089, 58941), (1221, 52569), (1593, 40293), (1947, 32967), (2183, 29403), (2673, 24013), (2997, 21417), (3267, 19647), (3663, 17523), (4477, 14337), (4779, 13431), (5841, 10989), (6549, 9801), (7139, 8991)]