28108515

素因数分解:

$3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{9811}}^1$

素因数の和:10010

約数の個数: 16

約数和(自身を含む): 45213696

約数和(自身を除く): 17105181

約数列:

[1, 3, 5, 15, 191, 573, 955, 2865, 9811, 29433, 49055, 147165, 1873901, 5621703, 9369505, 28108515]

約数ペア:

[(1, 28108515), (3, 9369505), (5, 5621703), (15, 1873901), (191, 147165), (573, 49055), (955, 29433), (2865, 9811)]