281749761

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{439}}^1\times {\mathrm{2459}}^1$

素因数の和:2933

約数の個数: 24

約数和(自身を含む): 422136000

約数和(自身を除く): 140386239

約数列:

[1, 3, 9, 29, 87, 261, 439, 1317, 2459, 3951, 7377, 12731, 22131, 38193, 71311, 114579, 213933, 641799, 1079501, 3238503, 9715509, 31305529, 93916587, 281749761]

約数ペア:

[(1, 281749761), (3, 93916587), (9, 31305529), (29, 9715509), (87, 3238503), (261, 1079501), (439, 641799), (1317, 213933), (2459, 114579), (3951, 71311), (7377, 38193), (12731, 22131)]