217470855

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71419}}^1$

素因数の和:71463

約数の個数: 32

約数和(自身を含む): 411379200

約数和(自身を除く): 193908345

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 87, 105, 145, 203, 435, 609, 1015, 3045, 71419, 214257, 357095, 499933, 1071285, 1499799, 2071151, 2499665, 6213453, 7498995, 10355755, 14498057, 31067265, 43494171, 72490285, 217470855]

約数ペア:

[(1, 217470855), (3, 72490285), (5, 43494171), (7, 31067265), (15, 14498057), (21, 10355755), (29, 7498995), (35, 6213453), (87, 2499665), (105, 2071151), (145, 1499799), (203, 1071285), (435, 499933), (609, 357095), (1015, 214257), (3045, 71419)]