218361705

素因数分解:

$3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1\times {\mathrm{383}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 353894400

約数和(自身を除く): 135532695

約数列:

[1, 3, 5, 15, 191, 199, 383, 573, 597, 955, 995, 1149, 1915, 2865, 2985, 5745, 38009, 73153, 76217, 114027, 190045, 219459, 228651, 365765, 381085, 570135, 1097295, 1143255, 14557447, 43672341, 72787235, 218361705]

約数ペア:

[(1, 218361705), (3, 72787235), (5, 43672341), (15, 14557447), (191, 1143255), (199, 1097295), (383, 570135), (573, 381085), (597, 365765), (955, 228651), (995, 219459), (1149, 190045), (1915, 114027), (2865, 76217), (2985, 73153), (5745, 38009)]