64741989

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{227}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 95606784

約数和(自身を除く): 30864795

約数列:

[1, 3, 13, 39, 71, 103, 213, 227, 309, 681, 923, 1339, 2769, 2951, 4017, 7313, 8853, 16117, 21939, 23381, 48351, 70143, 95069, 209521, 285207, 303953, 628563, 911859, 1660051, 4980153, 21580663, 64741989]

約数ペア:

[(1, 64741989), (3, 21580663), (13, 4980153), (39, 1660051), (71, 911859), (103, 628563), (213, 303953), (227, 285207), (309, 209521), (681, 95069), (923, 70143), (1339, 48351), (2769, 23381), (2951, 21939), (4017, 16117), (7313, 8853)]