81621954

素因数分解:

$2^1\times 3^2\times {\mathrm{107}}^1\times {\mathrm{42379}}^1$

素因数の和:42494

約数の個数: 24

約数和(自身を含む): 178504560

約数和(自身を除く): 96882606

約数列:

[1, 2, 3, 6, 9, 18, 107, 214, 321, 642, 963, 1926, 42379, 84758, 127137, 254274, 381411, 762822, 4534553, 9069106, 13603659, 27207318, 40810977, 81621954]

約数ペア:

[(1, 81621954), (2, 40810977), (3, 27207318), (6, 13603659), (9, 9069106), (18, 4534553), (107, 762822), (214, 381411), (321, 254274), (642, 127137), (963, 84758), (1926, 42379)]