28757937

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{541}}^1$

素因数の和:633

約数の個数: 32

約数和(自身を含む): 43706880

約数和(自身を除く): 14948943

約数列:

[1, 3, 13, 29, 39, 47, 87, 141, 377, 541, 611, 1131, 1363, 1623, 1833, 4089, 7033, 15689, 17719, 21099, 25427, 47067, 53157, 76281, 203957, 330551, 611871, 737383, 991653, 2212149, 9585979, 28757937]

約数ペア:

[(1, 28757937), (3, 9585979), (13, 2212149), (29, 991653), (39, 737383), (47, 611871), (87, 330551), (141, 203957), (377, 76281), (541, 53157), (611, 47067), (1131, 25427), (1363, 21099), (1623, 17719), (1833, 15689), (4089, 7033)]