220103973

素因数分解:

$3^4\times {\mathrm{131}}^1\times {\mathrm{20743}}^1$

素因数の和:20886

約数の個数: 20

約数和(自身を含む): 331323168

約数和(自身を除く): 111219195

約数列:

[1, 3, 9, 27, 81, 131, 393, 1179, 3537, 10611, 20743, 62229, 186687, 560061, 1680183, 2717333, 8151999, 24455997, 73367991, 220103973]

約数ペア:

[(1, 220103973), (3, 73367991), (9, 24455997), (27, 8151999), (81, 2717333), (131, 1680183), (393, 560061), (1179, 186687), (3537, 62229), (10611, 20743)]