87861105

素因数分解:

$3^4\times 5^1\times {\mathrm{401}}^1\times {\mathrm{541}}^1$

素因数の和:959

約数の個数: 40

約数和(自身を含む): 158183784

約数和(自身を除く): 70322679

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 401, 405, 541, 1203, 1623, 2005, 2705, 3609, 4869, 6015, 8115, 10827, 14607, 18045, 24345, 32481, 43821, 54135, 73035, 162405, 216941, 219105, 650823, 1084705, 1952469, 3254115, 5857407, 9762345, 17572221, 29287035, 87861105]

約数ペア:

[(1, 87861105), (3, 29287035), (5, 17572221), (9, 9762345), (15, 5857407), (27, 3254115), (45, 1952469), (81, 1084705), (135, 650823), (401, 219105), (405, 216941), (541, 162405), (1203, 73035), (1623, 54135), (2005, 43821), (2705, 32481), (3609, 24345), (4869, 18045), (6015, 14607), (8115, 10827)]