138260661

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{20639}}^1$

素因数の和:20689

約数の個数: 32

約数和(自身を含む): 237772800

約数和(自身を除く): 99512139

約数列:

[1, 3, 7, 11, 21, 29, 33, 77, 87, 203, 231, 319, 609, 957, 2233, 6699, 20639, 61917, 144473, 227029, 433419, 598531, 681087, 1589203, 1795593, 4189717, 4767609, 6583841, 12569151, 19751523, 46086887, 138260661]

約数ペア:

[(1, 138260661), (3, 46086887), (7, 19751523), (11, 12569151), (21, 6583841), (29, 4767609), (33, 4189717), (77, 1795593), (87, 1589203), (203, 681087), (231, 598531), (319, 433419), (609, 227029), (957, 144473), (2233, 61917), (6699, 20639)]