205672095

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{66239}}^1$

素因数の和:66276

約数の個数: 32

約数和(自身を含む): 381542400

約数和(自身を除く): 175870305

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 66239, 198717, 331195, 596151, 993585, 1523497, 1788453, 2980755, 4570491, 7617485, 8942265, 13711473, 22852455, 41134419, 68557365, 205672095]

約数ペア:

[(1, 205672095), (3, 68557365), (5, 41134419), (9, 22852455), (15, 13711473), (23, 8942265), (27, 7617485), (45, 4570491), (69, 2980755), (115, 1788453), (135, 1523497), (207, 993585), (345, 596151), (621, 331195), (1035, 198717), (3105, 66239)]