28181265

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{863}}^1$

素因数の和:1189

約数の個数: 32

約数和(自身を含む): 51757056

約数和(自身を除く): 23575791

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 311, 863, 933, 1555, 2177, 2589, 4315, 4665, 6041, 6531, 10885, 12945, 18123, 30205, 32655, 90615, 268393, 805179, 1341965, 1878751, 4025895, 5636253, 9393755, 28181265]

約数ペア:

[(1, 28181265), (3, 9393755), (5, 5636253), (7, 4025895), (15, 1878751), (21, 1341965), (35, 805179), (105, 268393), (311, 90615), (863, 32655), (933, 30205), (1555, 18123), (2177, 12945), (2589, 10885), (4315, 6531), (4665, 6041)]