67520781

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{353}}^1\times {\mathrm{401}}^1$

素因数の和:813

約数の個数: 24

約数和(自身を含む): 99900216

約数和(自身を除く): 32379435

約数列:

[1, 3, 9, 53, 159, 353, 401, 477, 1059, 1203, 3177, 3609, 18709, 21253, 56127, 63759, 141553, 168381, 191277, 424659, 1273977, 7502309, 22506927, 67520781]

約数ペア:

[(1, 67520781), (3, 22506927), (9, 7502309), (53, 1273977), (159, 424659), (353, 191277), (401, 168381), (477, 141553), (1059, 63759), (1203, 56127), (3177, 21253), (3609, 18709)]