4321977021

素因数分解:

$3^4\times {\mathrm{131}}^1\times {\mathrm{407311}}^1$

素因数の和:407454

約数の個数: 20

約数和(自身を含む): 6505587264

約数和(自身を除く): 2183610243

約数列:

[1, 3, 9, 27, 81, 131, 393, 1179, 3537, 10611, 407311, 1221933, 3665799, 10997397, 32992191, 53357741, 160073223, 480219669, 1440659007, 4321977021]

約数ペア:

[(1, 4321977021), (3, 1440659007), (9, 480219669), (27, 160073223), (81, 53357741), (131, 32992191), (393, 10997397), (1179, 3665799), (3537, 1221933), (10611, 407311)]