201691791

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{26903}}^1$

素因数の和:26940

約数の個数: 36

約数和(自身を含む): 358845552

約数和(自身を除く): 157153761

約数列:

[1, 3, 7, 9, 17, 21, 49, 51, 63, 119, 147, 153, 357, 441, 833, 1071, 2499, 7497, 26903, 80709, 188321, 242127, 457351, 564963, 1318247, 1372053, 1694889, 3201457, 3954741, 4116159, 9604371, 11864223, 22410199, 28813113, 67230597, 201691791]

約数ペア:

[(1, 201691791), (3, 67230597), (7, 28813113), (9, 22410199), (17, 11864223), (21, 9604371), (49, 4116159), (51, 3954741), (63, 3201457), (119, 1694889), (147, 1372053), (153, 1318247), (357, 564963), (441, 457351), (833, 242127), (1071, 188321), (2499, 80709), (7497, 26903)]