28285179

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 42638400

約数和(自身を除く): 14353221

約数列:

[1, 3, 13, 29, 39, 87, 89, 267, 281, 377, 843, 1131, 1157, 2581, 3471, 3653, 7743, 8149, 10959, 24447, 25009, 33553, 75027, 100659, 105937, 317811, 325117, 725261, 975351, 2175783, 9428393, 28285179]

約数ペア:

[(1, 28285179), (3, 9428393), (13, 2175783), (29, 975351), (39, 725261), (87, 325117), (89, 317811), (267, 105937), (281, 100659), (377, 75027), (843, 33553), (1131, 25009), (1157, 24447), (2581, 10959), (3471, 8149), (3653, 7743)]