2145297

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 3677184

約数和(自身を除く): 1531887

約数列:

[1, 3, 7, 11, 21, 33, 37, 77, 111, 231, 251, 259, 407, 753, 777, 1221, 1757, 2761, 2849, 5271, 8283, 8547, 9287, 19327, 27861, 57981, 65009, 102157, 195027, 306471, 715099, 2145297]

約数ペア:

[(1, 2145297), (3, 715099), (7, 306471), (11, 195027), (21, 102157), (33, 65009), (37, 57981), (77, 27861), (111, 19327), (231, 9287), (251, 8547), (259, 8283), (407, 5271), (753, 2849), (777, 2761), (1221, 1757)]