2185155

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{991}}^1$

素因数の和:1016

約数の個数: 36

約数和(自身を含む): 4410432

約数和(自身を除く): 2225277

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 991, 2205, 2973, 4955, 6937, 8919, 14865, 20811, 34685, 44595, 48559, 62433, 104055, 145677, 242795, 312165, 437031, 728385, 2185155]

約数ペア:

[(1, 2185155), (3, 728385), (5, 437031), (7, 312165), (9, 242795), (15, 145677), (21, 104055), (35, 62433), (45, 48559), (49, 44595), (63, 34685), (105, 20811), (147, 14865), (245, 8919), (315, 6937), (441, 4955), (735, 2973), (991, 2205)]