1227321

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:173

約数の個数: 24

約数和(自身を含む): 1886976

約数和(自身を除く): 659655

約数列:

[1, 3, 9, 31, 53, 83, 93, 159, 249, 279, 477, 747, 1643, 2573, 4399, 4929, 7719, 13197, 14787, 23157, 39591, 136369, 409107, 1227321]

約数ペア:

[(1, 1227321), (3, 409107), (9, 136369), (31, 39591), (53, 23157), (83, 14787), (93, 13197), (159, 7719), (249, 4929), (279, 4399), (477, 2573), (747, 1643)]