397777497

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{16693}}^1$

素因数の和:16769

約数の個数: 24

約数和(自身を含む): 586560384

約数和(自身を除く): 188782887

約数列:

[1, 3, 13, 39, 47, 141, 169, 507, 611, 1833, 7943, 16693, 23829, 50079, 217009, 651027, 784571, 2353713, 2821117, 8463351, 10199423, 30598269, 132592499, 397777497]

約数ペア:

[(1, 397777497), (3, 132592499), (13, 30598269), (39, 10199423), (47, 8463351), (141, 2821117), (169, 2353713), (507, 784571), (611, 651027), (1833, 217009), (7943, 50079), (16693, 23829)]