81647907

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{1109}}^1$

素因数の和:1243

約数の個数: 32

約数和(自身を含む): 125314560

約数和(自身を除く): 43666653

約数列:

[1, 3, 11, 23, 33, 69, 97, 253, 291, 759, 1067, 1109, 2231, 3201, 3327, 6693, 12199, 24541, 25507, 36597, 73623, 76521, 107573, 280577, 322719, 841731, 1183303, 2474179, 3549909, 7422537, 27215969, 81647907]

約数ペア:

[(1, 81647907), (3, 27215969), (11, 7422537), (23, 3549909), (33, 2474179), (69, 1183303), (97, 841731), (253, 322719), (291, 280577), (759, 107573), (1067, 76521), (1109, 73623), (2231, 36597), (3201, 25507), (3327, 24541), (6693, 12199)]