201221301

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{971}}^1\times {\mathrm{1031}}^1$

素因数の和:2072

約数の個数: 16

約数和(自身を含む): 272844288

約数和(自身を除く): 71622987

約数列:

[1, 3, 67, 201, 971, 1031, 2913, 3093, 65057, 69077, 195171, 207231, 1001101, 3003303, 67073767, 201221301]

約数ペア:

[(1, 201221301), (3, 67073767), (67, 3003303), (201, 1001101), (971, 207231), (1031, 195171), (2913, 69077), (3093, 65057)]