198734151

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{11173}}^1$

素因数の和:11212

約数の個数: 36

約数和(自身を含む): 338840376

約数和(自身を除く): 140106225

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 121, 147, 231, 363, 539, 847, 1617, 2541, 5929, 11173, 17787, 33519, 78211, 122903, 234633, 368709, 547477, 860321, 1351933, 1642431, 2580963, 4055799, 6022247, 9463531, 18066741, 28390593, 66244717, 198734151]

約数ペア:

[(1, 198734151), (3, 66244717), (7, 28390593), (11, 18066741), (21, 9463531), (33, 6022247), (49, 4055799), (77, 2580963), (121, 1642431), (147, 1351933), (231, 860321), (363, 547477), (539, 368709), (847, 234633), (1617, 122903), (2541, 78211), (5929, 33519), (11173, 17787)]