28405755

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{30059}}^1$

素因数の和:30080

約数の個数: 32

約数和(自身を含む): 57715200

約数和(自身を除く): 29309445

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 30059, 90177, 150295, 210413, 270531, 450885, 631239, 811593, 1052065, 1352655, 1893717, 3156195, 4057965, 5681151, 9468585, 28405755]

約数ペア:

[(1, 28405755), (3, 9468585), (5, 5681151), (7, 4057965), (9, 3156195), (15, 1893717), (21, 1352655), (27, 1052065), (35, 811593), (45, 631239), (63, 450885), (105, 270531), (135, 210413), (189, 150295), (315, 90177), (945, 30059)]