2157057

素因数分解:

$3^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:230

約数の個数: 32

約数和(自身を含む): 3720960

約数和(自身を除く): 1563903

約数列:

[1, 3, 7, 9, 21, 27, 63, 101, 113, 189, 303, 339, 707, 791, 909, 1017, 2121, 2373, 2727, 3051, 6363, 7119, 11413, 19089, 21357, 34239, 79891, 102717, 239673, 308151, 719019, 2157057]

約数ペア:

[(1, 2157057), (3, 719019), (7, 308151), (9, 239673), (21, 102717), (27, 79891), (63, 34239), (101, 21357), (113, 19089), (189, 11413), (303, 7119), (339, 6363), (707, 3051), (791, 2727), (909, 2373), (1017, 2121)]