28124715

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2081}}^1$

素因数の和:2159

約数の個数: 32

約数和(自身を含む): 48568896

約数和(自身を除く): 20444181

約数列:

[1, 3, 5, 15, 17, 51, 53, 85, 159, 255, 265, 795, 901, 2081, 2703, 4505, 6243, 10405, 13515, 31215, 35377, 106131, 110293, 176885, 330879, 530655, 551465, 1654395, 1874981, 5624943, 9374905, 28124715]

約数ペア:

[(1, 28124715), (3, 9374905), (5, 5624943), (15, 1874981), (17, 1654395), (51, 551465), (53, 530655), (85, 330879), (159, 176885), (255, 110293), (265, 106131), (795, 35377), (901, 31215), (2081, 13515), (2703, 10405), (4505, 6243)]