81111405

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{937}}^1$

素因数の和:1173

約数の個数: 32

約数和(自身を含む): 135072000

約数和(自身を除く): 53960595

約数列:

[1, 3, 5, 15, 29, 87, 145, 199, 435, 597, 937, 995, 2811, 2985, 4685, 5771, 14055, 17313, 27173, 28855, 81519, 86565, 135865, 186463, 407595, 559389, 932315, 2796945, 5407427, 16222281, 27037135, 81111405]

約数ペア:

[(1, 81111405), (3, 27037135), (5, 16222281), (15, 5407427), (29, 2796945), (87, 932315), (145, 559389), (199, 407595), (435, 186463), (597, 135865), (937, 86565), (995, 81519), (2811, 28855), (2985, 27173), (4685, 17313), (5771, 14055)]