5138385

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{6991}}^1$

素因数の和:7013

約数の個数: 24

約数和(自身を含む): 9565056

約数和(自身を除く): 4426671

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 6991, 20973, 34955, 48937, 104865, 146811, 244685, 342559, 734055, 1027677, 1712795, 5138385]

約数ペア:

[(1, 5138385), (3, 1712795), (5, 1027677), (7, 734055), (15, 342559), (21, 244685), (35, 146811), (49, 104865), (105, 48937), (147, 34955), (245, 20973), (735, 6991)]