28440171

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{547}}^1$

素因数の和:715

約数の個数: 24

約数和(自身を含む): 42316560

約数和(自身を除く): 13876389

約数列:

[1, 3, 9, 53, 109, 159, 327, 477, 547, 981, 1641, 4923, 5777, 17331, 28991, 51993, 59623, 86973, 178869, 260919, 536607, 3160019, 9480057, 28440171]

約数ペア:

[(1, 28440171), (3, 9480057), (9, 3160019), (53, 536607), (109, 260919), (159, 178869), (327, 86973), (477, 59623), (547, 51993), (981, 28991), (1641, 17331), (4923, 5777)]