8990019

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{401}}^1$

素因数の和:507

約数の個数: 24

約数和(自身を含む): 13545792

約数和(自身を除く): 4555773

約数列:

[1, 3, 9, 47, 53, 141, 159, 401, 423, 477, 1203, 2491, 3609, 7473, 18847, 21253, 22419, 56541, 63759, 169623, 191277, 998891, 2996673, 8990019]

約数ペア:

[(1, 8990019), (3, 2996673), (9, 998891), (47, 191277), (53, 169623), (141, 63759), (159, 56541), (401, 22419), (423, 21253), (477, 18847), (1203, 7473), (2491, 3609)]