278360487

素因数分解:

$3^2\times {\mathrm{103}}^1\times {\mathrm{467}}^1\times {\mathrm{643}}^1$

素因数の和:1219

約数の個数: 24

約数和(自身を含む): 407481984

約数和(自身を除く): 129121497

約数列:

[1, 3, 9, 103, 309, 467, 643, 927, 1401, 1929, 4203, 5787, 48101, 66229, 144303, 198687, 300281, 432909, 596061, 900843, 2702529, 30928943, 92786829, 278360487]

約数ペア:

[(1, 278360487), (3, 92786829), (9, 30928943), (103, 2702529), (309, 900843), (467, 596061), (643, 432909), (927, 300281), (1401, 198687), (1929, 144303), (4203, 66229), (5787, 48101)]