54321421

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{439}}^1\times {\mathrm{1607}}^1$

素因数の和:2064

約数の個数: 16

約数和(自身を含む): 67921920

約数和(自身を除く): 13600499

約数列:

[1, 7, 11, 77, 439, 1607, 3073, 4829, 11249, 17677, 33803, 123739, 705473, 4938311, 7760203, 54321421]

約数ペア:

[(1, 54321421), (7, 7760203), (11, 4938311), (77, 705473), (439, 123739), (1607, 33803), (3073, 17677), (4829, 11249)]