212306171

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{20731}}^1$

素因数の和:20775

約数の個数: 24

約数和(自身を含む): 283613760

約数和(自身を除く): 71307589

約数列:

[1, 7, 11, 19, 49, 77, 133, 209, 539, 931, 1463, 10241, 20731, 145117, 228041, 393889, 1015819, 1596287, 2757223, 4332779, 11174009, 19300561, 30329453, 212306171]

約数ペア:

[(1, 212306171), (7, 30329453), (11, 19300561), (19, 11174009), (49, 4332779), (77, 2757223), (133, 1596287), (209, 1015819), (539, 393889), (931, 228041), (1463, 145117), (10241, 20731)]