81193581

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1613}}^1$

素因数の和:1690

約数の個数: 48

約数和(自身を含む): 145027584

約数和(自身を除く): 63834003

約数列:

[1, 3, 7, 9, 17, 21, 47, 51, 63, 119, 141, 153, 329, 357, 423, 799, 987, 1071, 1613, 2397, 2961, 4839, 5593, 7191, 11291, 14517, 16779, 27421, 33873, 50337, 75811, 82263, 101619, 191947, 227433, 246789, 530677, 575841, 682299, 1288787, 1592031, 1727523, 3866361, 4776093, 9021509, 11599083, 27064527, 81193581]

約数ペア:

[(1, 81193581), (3, 27064527), (7, 11599083), (9, 9021509), (17, 4776093), (21, 3866361), (47, 1727523), (51, 1592031), (63, 1288787), (119, 682299), (141, 575841), (153, 530677), (329, 246789), (357, 227433), (423, 191947), (799, 101619), (987, 82263), (1071, 75811), (1613, 50337), (2397, 33873), (2961, 27421), (4839, 16779), (5593, 14517), (7191, 11291)]