28989387

素因数分解:

$3^3\times 7^1\times {\mathrm{163}}^1\times {\mathrm{941}}^1$

素因数の和:1120

約数の個数: 32

約数和(自身を含む): 49436160

約数和(自身を除く): 20446773

約数列:

[1, 3, 7, 9, 21, 27, 63, 163, 189, 489, 941, 1141, 1467, 2823, 3423, 4401, 6587, 8469, 10269, 19761, 25407, 30807, 59283, 153383, 177849, 460149, 1073681, 1380447, 3221043, 4141341, 9663129, 28989387]

約数ペア:

[(1, 28989387), (3, 9663129), (7, 4141341), (9, 3221043), (21, 1380447), (27, 1073681), (63, 460149), (163, 177849), (189, 153383), (489, 59283), (941, 30807), (1141, 25407), (1467, 19761), (2823, 10269), (3423, 8469), (4401, 6587)]