30780021

素因数分解:

$3^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1\times {\mathrm{331}}^1$

素因数の和:696

約数の個数: 16

約数和(自身を含む): 41646080

約数和(自身を除く): 10866059

約数列:

[1, 3, 139, 223, 331, 417, 669, 993, 30997, 46009, 73813, 92991, 138027, 221439, 10260007, 30780021]

約数ペア:

[(1, 30780021), (3, 10260007), (139, 221439), (223, 138027), (331, 92991), (417, 73813), (669, 46009), (993, 30997)]