81672305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1109}}^1$

素因数の和:1241

約数の個数: 32

約数和(自身を含む): 116363520

約数和(自身を除く): 34691215

約数列:

[1, 5, 11, 13, 55, 65, 103, 143, 515, 715, 1109, 1133, 1339, 5545, 5665, 6695, 12199, 14417, 14729, 60995, 72085, 73645, 114227, 158587, 571135, 792935, 1256497, 1484951, 6282485, 7424755, 16334461, 81672305]

約数ペア:

[(1, 81672305), (5, 16334461), (11, 7424755), (13, 6282485), (55, 1484951), (65, 1256497), (103, 792935), (143, 571135), (515, 158587), (715, 114227), (1109, 73645), (1133, 72085), (1339, 60995), (5545, 14729), (5665, 14417), (6695, 12199)]