209369133

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{14159}}^1$

素因数の和:14249

約数の個数: 24

約数和(自身を含む): 318090240

約数和(自身を除く): 108721107

約数列:

[1, 3, 9, 31, 53, 93, 159, 279, 477, 1643, 4929, 14159, 14787, 42477, 127431, 438929, 750427, 1316787, 2251281, 3950361, 6753843, 23263237, 69789711, 209369133]

約数ペア:

[(1, 209369133), (3, 69789711), (9, 23263237), (31, 6753843), (53, 3950361), (93, 2251281), (159, 1316787), (279, 750427), (477, 438929), (1643, 127431), (4929, 42477), (14159, 14787)]