40642317

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:311

約数の個数: 40

約数和(自身を含む): 63562752

約数和(自身を除く): 22920435

約数列:

[1, 3, 9, 27, 37, 71, 81, 111, 191, 213, 333, 573, 639, 999, 1719, 1917, 2627, 2997, 5157, 5751, 7067, 7881, 13561, 15471, 21201, 23643, 40683, 63603, 70929, 122049, 190809, 212787, 366147, 501757, 572427, 1098441, 1505271, 4515813, 13547439, 40642317]

約数ペア:

[(1, 40642317), (3, 13547439), (9, 4515813), (27, 1505271), (37, 1098441), (71, 572427), (81, 501757), (111, 366147), (191, 212787), (213, 190809), (333, 122049), (573, 70929), (639, 63603), (999, 40683), (1719, 23643), (1917, 21201), (2627, 15471), (2997, 13561), (5157, 7881), (5751, 7067)]