142499997

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{727}}^1\times {\mathrm{751}}^1$

素因数の和:1513

約数の個数: 24

約数和(自身を含む): 213507840

約数和(自身を除く): 71007843

約数列:

[1, 3, 9, 29, 87, 261, 727, 751, 2181, 2253, 6543, 6759, 21083, 21779, 63249, 65337, 189747, 196011, 545977, 1637931, 4913793, 15833333, 47499999, 142499997]

約数ペア:

[(1, 142499997), (3, 47499999), (9, 15833333), (29, 4913793), (87, 1637931), (261, 545977), (727, 196011), (751, 189747), (2181, 65337), (2253, 63249), (6543, 21779), (6759, 21083)]