128567199

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 182274048

約数和(自身を除く): 53706849

約数列:

[1, 3, 31, 61, 93, 131, 173, 183, 393, 519, 1891, 4061, 5363, 5673, 7991, 10553, 12183, 16089, 22663, 23973, 31659, 67989, 247721, 327143, 702553, 743163, 981429, 1382443, 2107659, 4147329, 42855733, 128567199]

約数ペア:

[(1, 128567199), (3, 42855733), (31, 4147329), (61, 2107659), (93, 1382443), (131, 981429), (173, 743163), (183, 702553), (393, 327143), (519, 247721), (1891, 67989), (4061, 31659), (5363, 23973), (5673, 22663), (7991, 16089), (10553, 12183)]