87239775

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1553}}^1$

素因数の和:1680

約数の個数: 48

約数和(自身を含む): 166489344

約数和(自身を除く): 79249569

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 107, 175, 321, 525, 535, 749, 1553, 1605, 2247, 2675, 3745, 4659, 7765, 8025, 10871, 11235, 18725, 23295, 32613, 38825, 54355, 56175, 116475, 163065, 166171, 271775, 498513, 815325, 830855, 1163197, 2492565, 3489591, 4154275, 5815985, 12462825, 17447955, 29079925, 87239775]

約数ペア:

[(1, 87239775), (3, 29079925), (5, 17447955), (7, 12462825), (15, 5815985), (21, 4154275), (25, 3489591), (35, 2492565), (75, 1163197), (105, 830855), (107, 815325), (175, 498513), (321, 271775), (525, 166171), (535, 163065), (749, 116475), (1553, 56175), (1605, 54355), (2247, 38825), (2675, 32613), (3745, 23295), (4659, 18725), (7765, 11235), (8025, 10871)]