85972815

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{521}}^1$

素因数の和:744

約数の個数: 48

約数和(自身を含む): 157978080

約数和(自身を除く): 72005265

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 193, 285, 521, 579, 855, 965, 1563, 1737, 2605, 2895, 3667, 4689, 7815, 8685, 9899, 11001, 18335, 23445, 29697, 33003, 49495, 55005, 89091, 100553, 148485, 165015, 301659, 445455, 502765, 904977, 1508295, 1910507, 4524885, 5731521, 9552535, 17194563, 28657605, 85972815]

約数ペア:

[(1, 85972815), (3, 28657605), (5, 17194563), (9, 9552535), (15, 5731521), (19, 4524885), (45, 1910507), (57, 1508295), (95, 904977), (171, 502765), (193, 445455), (285, 301659), (521, 165015), (579, 148485), (855, 100553), (965, 89091), (1563, 55005), (1737, 49495), (2605, 33003), (2895, 29697), (3667, 23445), (4689, 18335), (7815, 11001), (8685, 9899)]