28000995

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{761}}^1$

素因数の和:1003

約数の個数: 32

約数和(自身を含む): 49158144

約数和(自身を除く): 21157149

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 223, 669, 761, 1115, 2283, 2453, 3345, 3805, 7359, 8371, 11415, 12265, 25113, 36795, 41855, 125565, 169703, 509109, 848515, 1866733, 2545545, 5600199, 9333665, 28000995]

約数ペア:

[(1, 28000995), (3, 9333665), (5, 5600199), (11, 2545545), (15, 1866733), (33, 848515), (55, 509109), (165, 169703), (223, 125565), (669, 41855), (761, 36795), (1115, 25113), (2283, 12265), (2453, 11415), (3345, 8371), (3805, 7359)]