138971511

素因数分解:

$3^3\times 7^1\times {\mathrm{353}}^1\times {\mathrm{2083}}^1$

素因数の和:2452

約数の個数: 32

約数和(自身を含む): 236075520

約数和(自身を除く): 97104009

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 353, 1059, 2083, 2471, 3177, 6249, 7413, 9531, 14581, 18747, 22239, 43743, 56241, 66717, 131229, 393687, 735299, 2205897, 5147093, 6617691, 15441279, 19853073, 46323837, 138971511]

約数ペア:

[(1, 138971511), (3, 46323837), (7, 19853073), (9, 15441279), (21, 6617691), (27, 5147093), (63, 2205897), (189, 735299), (353, 393687), (1059, 131229), (2083, 66717), (2471, 56241), (3177, 43743), (6249, 22239), (7413, 18747), (9531, 14581)]