1338939

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{401}}^1$

素因数の和:467

約数の個数: 24

約数和(自身を含む): 2257632

約数和(自身を除く): 918693

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 401, 477, 1113, 1203, 2807, 3339, 3609, 8421, 21253, 25263, 63759, 148771, 191277, 446313, 1338939]

約数ペア:

[(1, 1338939), (3, 446313), (7, 191277), (9, 148771), (21, 63759), (53, 25263), (63, 21253), (159, 8421), (371, 3609), (401, 3339), (477, 2807), (1113, 1203)]