28948941

素因数分解:

$3^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1721}}^1$

素因数の和:1826

約数の個数: 32

約数和(自身を含む): 49593600

約数和(自身を除く): 20644659

約数列:

[1, 3, 7, 9, 21, 27, 63, 89, 189, 267, 623, 801, 1721, 1869, 2403, 5163, 5607, 12047, 15489, 16821, 36141, 46467, 108423, 153169, 325269, 459507, 1072183, 1378521, 3216549, 4135563, 9649647, 28948941]

約数ペア:

[(1, 28948941), (3, 9649647), (7, 4135563), (9, 3216549), (21, 1378521), (27, 1072183), (63, 459507), (89, 325269), (189, 153169), (267, 108423), (623, 46467), (801, 36141), (1721, 16821), (1869, 15489), (2403, 12047), (5163, 5607)]