9780351

素因数分解:

$3^1\times 7^2\times {\mathrm{66533}}^1$

素因数の和:66550

約数の個数: 12

約数和(自身を含む): 15169752

約数和(自身を除く): 5389401

約数列:

[1, 3, 7, 21, 49, 147, 66533, 199599, 465731, 1397193, 3260117, 9780351]

約数ペア:

[(1, 9780351), (3, 3260117), (7, 1397193), (21, 465731), (49, 199599), (147, 66533)]