66921855

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4457}}^1$

素因数の和:4496

約数の個数: 64

約数和(自身を含む): 143797248

約数和(自身を除く): 76875393

約数列:

[1, 3, 5, 7, 11, 13, 15, 21, 33, 35, 39, 55, 65, 77, 91, 105, 143, 165, 195, 231, 273, 385, 429, 455, 715, 1001, 1155, 1365, 2145, 3003, 4457, 5005, 13371, 15015, 22285, 31199, 49027, 57941, 66855, 93597, 147081, 155995, 173823, 245135, 289705, 343189, 405587, 467985, 637351, 735405, 869115, 1029567, 1216761, 1715945, 1912053, 2027935, 3186755, 4461457, 5147835, 6083805, 9560265, 13384371, 22307285, 66921855]

約数ペア:

[(1, 66921855), (3, 22307285), (5, 13384371), (7, 9560265), (11, 6083805), (13, 5147835), (15, 4461457), (21, 3186755), (33, 2027935), (35, 1912053), (39, 1715945), (55, 1216761), (65, 1029567), (77, 869115), (91, 735405), (105, 637351), (143, 467985), (165, 405587), (195, 343189), (231, 289705), (273, 245135), (385, 173823), (429, 155995), (455, 147081), (715, 93597), (1001, 66855), (1155, 57941), (1365, 49027), (2145, 31199), (3003, 22285), (4457, 15015), (5005, 13371)]