47815989

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{373}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 72885120

約数和(自身を除く): 25069131

約数列:

[1, 3, 13, 19, 39, 57, 173, 247, 373, 519, 741, 1119, 2249, 3287, 4849, 6747, 7087, 9861, 14547, 21261, 42731, 64529, 92131, 128193, 193587, 276393, 838877, 1226051, 2516631, 3678153, 15938663, 47815989]

約数ペア:

[(1, 47815989), (3, 15938663), (13, 3678153), (19, 2516631), (39, 1226051), (57, 838877), (173, 276393), (247, 193587), (373, 128193), (519, 92131), (741, 64529), (1119, 42731), (2249, 21261), (3287, 14547), (4849, 9861), (6747, 7087)]